IMG_3196_

Dutra duals vs headers. As Geezer said, the duals do get rid of a lot of the heat.


Dutra duals vs headers com ran a test on a stock 2007 Chevy Tahoe with a 5. True duals will shift the power curve to the right. The proxy system will validate the user and Aussiespeed took over the manufacturing of the Dutra Dual cast iron headers in march 2018 and from this date they will be manufactured in Australia and made available to customers worldwide. Stock. 4 out of 5 stars 12 ratings | Search this page . The PBT-AC system attaches to 2019 Aussiespeed Dutra Duals. Downsizing or relocating the battery is required. Offline: EFI Slant 6: Joined: Wed May 28, 2003 4:08 pm If you can still get it, the header pipe from a Volare goes down from the stock slant exhaust manifold, If you have access to a skilled welder (with the right equipment), he could possibly save you a little money on a set of Dutra Duals. Offline: EFI Slant 6: Joined: Sat Oct 07, 2006 5:29 pm Posts: 344 Location: Tennessee Rinehart Racing Slimline Duals brings the absolute best Rinehart has to offer in a performance system. They said I would gain 2hp over the stock head pipes and they would perform better. Clifford intakes (all of them, as far as I know) have no provision for manifold heat hookup, so regular Dutra Duals are "No". Need Help? Speak to one of our Gear Geeks: Tap to Call 877-792-9455 Email Us Chat. A complete redesign of the rear header now allows for these to be fitted to a wider range of slant 6 powered vehicles. Stock valves and cam, Hooker headers with a H pipe crossover duals out the back, with Superior round turbo mufflers. Depending on what sound you like, the Dresser Duals have a bit more of an old school sound. I went with Freedom True Duals for the look and sound. B. The "Dutra Duals" can be used with any intake but there are special needs for each intake which needs to be addressed. We took a 4' spike and punched out the slip on's too. New posts If your doing that then your talking headers, mid pipes, muffler selection ect. 6% positive; Seller's other items Seller's other items; Contact seller; hey; i got ahold of Doug Dutra, he let me know the procedure for ordering his duals set up. I am not seeing good options for header that fit, aside from the Doug thorley brand. 5” Y pipe vs the 1 7/8” long tube headers with the I did check out the dutra duals, but have opted for the headers(not sure why, maybe its the growl. The rear is a complete re design and is also made in Australia. The rear portion of a set of Dutra Duals is nothing more than a modified stock manifold. Page 1 of 3 [ 43 posts ] Go to page 1 2 3 Next Previous topic | Next topic : Author Message; Adrenalin Post subject: Doug Dutra Cast iron headers. I like 2" pipe off of each of the two exhaust manifolds, into this wye connector, 2-1/4" pipe from there to this muffler. For a race car, headers to the turbo, again fairly pricey, custom work. New posts Search forums. City}} | {{tournament. 4 hp at 4,200 rpm and 215. By: Search Advanced search The pipes with an X will flow better and make more torque for sure some say the difference is not much but that difference will increase the more you go up in power but I'd have to recommend skipping the power duals and going with fullsac no true dual or dresser duals will out perform them, fullsacs pipe has been out performing D&Ds pipe on some builds I've seen The decision to make a new rear header pattern for the Dutra Duals has been made and the new pattern is underway. For a race car, headers to the turbo, again fairly pricey, This group of photos shows the routing for the new front manifold's exhaust header pipe. If you underestimated your performance needs, or perhaps didn't want to drop three months of bike payments on a full exhaust, you likely bought a set of slip-on mufflers. Fritz vs. 3K views 8 replies 8 participants last post by tmd Oct 5, 2012. If you want a better than stock exhaust, there are a few options. AUD $ 450. Part Number: 100-1400. ) . Intake Manifold and Carburetor. header dyno comparison series, So here it is folks, with the bolt-on 2-bbl and Dutra Duals, the 225 Slant Six makes 162. getting ready to have my exhaust done on my truck next week. View Item. at Dutra Dual 2019 version Aussiespeed dual outlet cast iron headers. sb Duster idiot has a wicked sounding set of duals on his Hyperpak Feather Duster. slantsix. I understand there are places that will get Save 19% ($150. I got the True Duals from Eastern Performance for $650 including shipping. Dutra Duals are NOT good for 'mild race cars',ask Doug! If you want real performance get headers. at 3300 rpm, We also compared the new two-piece Dutra Dual cast-iron exhaust header against the factory log-style we installed a set of Dutra Duals and got 162. New posts Recent Posts Classifieds Search forums. owl893. Offy intakes have provision for manifold heat hookup just like stock intake, so regular Dutra Duals are "Yes". on July 27, 2022 Verified Purchaser . Running what you called true duals does not work very well on the modular trucks. Post Posted: Mon Aug 18, 2003 10:33 pm . To relieve the excessive heat generated from the catalytic converter we remove the exhaust system and got rid of the converter. 7K views 5 replies 4 participants last post by bmaker Jun 3, 2007. If you just want dual exhaust and dont care about improving exhaust flow get DD's. See for example Dutra Duals and header options discussed in this thread and this one, Erson custom cams, etc. Page 2 of 2 [ 30 posts ] Go to page Previous 1 2 Previous topic | Next topic : Author Message; Rug_Trucker Post subject: Post Posted: Sat May 05, 2012 6:27 pm . I understand the benefits of scavenging in 2:1 headers but question the validity of an interconnecting chamber, with poor flow characteristics, found in headers such as S&S Power Duals. Headers + heated intake is no. Brand: Vance & Hines. View More Videos. This group of photos shows the routing for the new front manifold's exhaust header pipe. Redbeard51 Discussion starter. $1,089. Elite CVO Member; Offline; Posts: 545; CVO1: 2011 FLHXSE2 Autumn Haze; Re: De-catted headers vs V&H Power Duals « Reply #15 on: November 07, 2013, 12:38:26 PM Here's an interesting article I came across while looking into long tube headers that I thought some of you might like. org and you can find info there. As Geezer said, the duals do get rid of a lot of the heat. By Robin B. The first pic is what's called "Dual Dutra Duals", that is two front-3 Dutra castings. I think Doug's original run of these has now dried up, and the new ones are being made by AussieSpeed for a significantly higher price (plus shipping). This is decked to 9:1, oversized valves, Dutra RV10 cam, Dutra Duals cast headers and the Offy intake. Included with the headers is 1 x front header 1 x header flange SKU: as0567R-2019 Categories: Headers, Exhaust, Slant 6 Chrysler Tags: dutra duals, headers, slant 6, slant six. AO front winch bumper, taylor fab sliders and skids, trailmaster lift in front, stock duals, 36x13. It’s time to get serious about It’s time to get Options include headers (available from Clifford Performance) or Dutra Duals. Post Posted: Mon Aug 18, 2003 4:58 am . Very nice, great quality, good looking, better than others i have seen. 2-1 systemsdecent , if not unbalanced looks, GOOD HP and TORQUE #'s still have heat issues under seat and legs. Dutra duals fitted with Aussiespeed AS0024 long runner manifold, a perfect combination for slant six builds. Top FrankRaso Post subject: Post Posted: Tue Apr 27, 2004 2:06 pm . Very clean where pipes come together. the existing stock Harley crossover set up where the rear cylinder dumps Forums. I also put a PCIII on with the pipes. 50 Irok, 4. You would need a shop to bend & weld tubes to that. 090 off it, stock I have a 1964 Plymouth Valiant with a 225 slant six and was looking for dual headers dual exhaust system. Clifford Performance sells headers, blueprinted heads, revised cams, and other performance slant six parts. Headers will deliver highest power for a given build. Can anyone give me a header recommendation? Factory one have a warp and at this point moving to the 2bbl. Removing the catalytic converter was much easier than I expected. Both PBT-D150 and PBT-D150-DD (Dutra Duals) require Chrysler "mini" style starters. You are buying the 2019 version Aussiespeed The straight pipe thing is definately the loudest of the two. I really like the sound much better than stock header with screamin eagle slip ons. The duals sound nice and if you are concerned about the power get the V&H power duals with the crossover or Fuel moto jackpot headers. Others say headers are the way to go. The Dutra Duals will be great for what you want and last forever. One thing I thought of doing was using a set of these newer Dutra Duals, but with a single exhaust. I have about 250 miles on my AMS 96 build w/26G cams and Oil Pump, and Dutra Duals. Gold Partners. If you want to save a couple hundred bucks,and have the same performance as a DD,gasket match your exhaust manifold,open the outlet to 2 1/4,and run a 2 1/4 to 2 1/2 pipe the real kicker is I have a header flange, was just questioning the durability and extra work of the header vs the Dutra's. There were a few commercial slant headers, which you see for sale on ebay sometimes. 88 gears, lockrite in the rear, 63" Chevy leafs . if your christmas plans for installing headers didn't work out, let me know and i'll get you some more info from mr dutra. $899. Jump to Latest 5. cant tell the different between true duals and the single in and 2 out. Dutra is a founder of www. Machine work is going to be the same on all full rebuilds. Rhinehart slime line duals, s&s power tune duals, or the Khromewerks 2:2 all have crossover tubes. If you tend to be a more aggressive rider and stay in the upper RPM range then you'd be fine. Slant 6 Dutra duals exhaust manifold dual headers new Aussiespeed Valiant 225. Forums. FM jackpot header here also. Members. The Dutra Duals will help tremendously IF you put the Y collector behind the transmission cross member where it will give it a M-1 intake 318 BB or a Holley 2bbl off a slant. 0 so it's easily got the flow capacity for a healthy 225 and it's tuned to Vance & Hines PCX Power Duals Headers For Harley Touring 2017-2024 (2 items) Open Box. Dutra Slant Six cast iron exhaust header AS0567 Pair Latest design AUD $ 899. Yes you will lose some low end with the true duals but not much. It is a great piece of equipment. Offline: Board Sponsor: Joined: Sat Mar 01, 2008 6:49 am Posts: 1547 Location: So far in the Manifold Mystery Tour exhaust manifold vs. Cuzz Member. Dutra Duals are a better deal—if you're driving on the street and it's not a hairy race motor, use the Dutra front header and a cut-and-capped rear half of a stock manifold if you're using Dutra Duals. From what I understand, MP's headers won't fit my car. I've been looking at my options for my '65 dart 270, but I can't find a definitive Dutra Duals vs headers comparison. Dec 21, 2018 #19 A. 4 4. They will increase the sound-more volume. Does anyone make a Reverse Y pipe to get down under the car? Maybe 2-3 feet long. 2 into 1 Vs true duals. FormattedDate}} Profile Latest. -ft. I don't plan on selling my car so I Headers are built only for the 225; the lower ports on the 170 prevent headers fitting on the 170 without hitting various components. IIRC the two head pipes are each 31 inches long. Post subject: Clifford vs Dutra Duals. The dual exhaust is a good idea, but if it was me I'd go with Dutra Duals instead of headers. I like the torgue of 2-1 (like fat cats) but I've read you lose the 'harley rumble'. 6 likes, 0 comments - legopnuematic on November 8, 2021: "Decided to go with dutra duals instead of the headers on the dart, which I had to change the inta" Dual Dutra Duals The current casting now has larger mounting "ears" which allows it to be machined and used on the rear three cylinders. I have been wanting Hooker, Dougs or OBX side headers and side pipes since I got the car but many people have told me that a stock L48 Since I was bored over the past couple of days I decided to do a little test to compare the sound difference between the V&H Dresser Duals (True Duals) with V&H Hi-Output Slip-ons and a De-Catted Stock Header with the Hi-Outputs on my 2011 CVO Street Glide. there is a place close to my work that does ceramic coating , pretty much most ceramic work in the GTA goes to this company, "apparently" better then what the header companies use. 2 barrel with headers and 252 cam. These features can be added but it is more custom fabrication work. And heated intake is not just for cold winter days, it's for pretty much all days -- see this thread (and the links from it). didnt noticed that much low end tq lost still performed great. The PBT-AC is designed for use with RV2 Twin style A/C, power steering, and power brakes. There are many different types of SL6 headers out there so be sure you get the set that is designed to fit your car. Sean from TAB Performance dives deep into the differences between 2-1-2 and 2-2 header systems on Harley-Davidson models. It was through an article in Hotrod magazine where the Dutra Duals were used for testing and they worked hand in hand with the. Nice power increase, seat of the pants, no dyno for me. Is it possible to get the "Duals", and is this still considered the best choice for a mild street build. Hopefully will be my daily I think it might also work with Dutra Duals, but don't know for sure. Header pipes are solid with clean welds, the chrome heat shields are excellent and quite thicker than the stock HD heat shields. Re: headers vs duals I fabricated my own headers into a single stainless system because I want to keep the battery under the floor. Shorty Headers vs. Yeah, he's busy! It's also worth being patient; Dutra Duals are a much better idea than headers in C3 Tech/Performance - Header/Sidepipes vs headers true duals - I am finally at the exhaust portion of my restomod on my 77 4spd. As for me, the truck I have already had a new true dual exhaust system that had not been installed, just sitting in the bed and looking pretty. mated to the power X header from vance and hines you get some of the benefit of the 2-1 system but the exit is still 2 so the system is 2-1-2, "Dutra Duals", Cast Iron Dual Exhaust Set Headers do not provide carb heat or a place to mount the choke stove. We don't know when or if this item will be back in stock. 4 hp at 4200 rpm and 215. Slimline Duals Header with Baffles for Harley Touring. Often imitated, yet never duplicated, The slim line would be nice. The S&S Power Tune Dual Headers have an independent dual look with a hidden crossover between the front and rear pipes for maximum performance. Doug Dutra (aka Doctor Dodge or “Doc”) has owned and worked on Chrysler products all his life. The s&s and the Khromewerks look like duals but do have the crossover with no signs of it. is there any performance gains in running true duals vs one pipe? ive heard of an x pipe Forums. For the clean classic look of true dual head pipes, Vance & Hines Dresser Duals are the only choice. Feb 9, 2012 #1 Tell me if i'm wrong. _____ 84 Dutra Duals vs Headers. He's running Dutra Duals. Love my power duals. The cast iron headers can be ordered from our online store that is located on the menu on the right hand side of the page. The Jackpot header is noticeably lighter than the stock header. I’m starting to see a trend, here. In that case you'd use DDDs or do additional cut-and-cap work on the stock rear half to eliminate the heat tower. Offline: Aussiespeed now manufacture the Dutra Duals in Australia, in 2018 after the Hotrod magazine story about a Slant 6 build the deal was done and new ownership of the tooling took place. You would think someone would make a perfect fitting header with Home. Be very careful before you decide to spend any money with Clifford. The front manifold is a new iron casting collecting the front 3 cylinders and has thick walls plus good flow. A turbo blanket is highly recommended and can be found here. Gonna change the i am asking the chior a question unless Doug wants to answeranyway, i am running a weber 38/38 with a DC intake, mild cam and oversize valves. I finally got all the pieces of my Cliffords back, and now US41 is closed because of a family fued. The second and third pic are Dutra Duals: a new Dutra front-3 casting and a cut/capped stock manifold for the rear 3. I have the monster ovals on my 09 ultra classic. my question is. you must be looking at the header pipes only with the V & H. Dutra Duals are probably a better choice For a street car, Dutra duals would probably be best, with a common pipe to the turbo. It has been awhile ago, however I was able to track down this photo of the exhaust system that I installed on the D150 using Dual Dutra's Many folks y the two pipes together some what close to the manifolds. Pipe size and muffler: Yep, pick 'em carefully; loud exhaust is fun for a couple days, then it gets old in a hurry. I'm very happy with the way the bike runs with the duals. Registered members. (1) Stainless steel header to block support bracket. Duals vs. 00) today when you shop RevZilla for your Vance & Hines PCX Power Duals Headers For Harley Touring 2009-2016! Free Shipping, Lowest Price Guaranteed & Top of the Line Expert Service. R. Had to evacuate, but his home he's been building didn't burn. Official Ball, Racquet and Tennis Accessory. The "Dutra Duals" can be used with any intake manifold such as the Proline Dual Weber or Hyper-Pak but there Here are some photos of the "Dutra Duals" cast iron exhaust manifolds for the Chrysler Slant Six. He daily drives it, so perhaps he can lend a hand with his pipe size. Got them at the same time I did a full stage 1, so not sure what contributed to the extra. Post Posted: Sat Sep 21, 2002 4:00 pm . I put the MGS true duals headers & mufflers on my 2014 SGS. The dual bung setup is sweet and it is awesome that they include bung plugs also. On our race truck we dynoed it one week with just headers, and the next week with an open x pipe (no mufflers) and it picked up with the x. I have been wanting Hooker, Dougs or OBX side headers and side pipes since I got the car but many people have told me that a stock L48 I running the V&H duals as well but with Wild Pigs. If I lost any power when I switched to the duals I'm just not noticing it. Bike Thunder Header True Duals Vs Big Shots Jump to Latest 3K views 7 replies 6 participants last post by csoday Jan 2, 2006 Rinehart Slimline Duals Headers For Harley Touring. I have narrowed it down to VH power dual, Drago h and full sac headers. com Free App C3 Tech/Performance - Header/Sidepipes vs headers true duals - I am finally at the exhaust portion of my restomod on my 77 4spd. 2" pipe off of each of the two exhaust manifolds, into this wye connector, 2-1/4" pipe from there to this muffler. org have found out--and there are some very knowledgeable guys on that board--is that splitting the exhaust farther from the engine, as opposed to closer, as you would w/ Dutra duals or a header, just doesn't do that much good compared with all of the headache and problems that come up with bending and routing more Vance and Hines Power Duals Header Pipes for Harley Davidson 2009-2016 Touring- One Size . Where I am undecided is the header pipe. I'm getting ready to finish my build & am weighing the options of 340H. You can quickly and easily bolt on electronic ignition from later slant sixes, or you can order a kit from Mopar Performance. It's in Walker's QuietFlow SS premium OE line, all stainless steel (which is nice for The world famous Dutra Duals for Slant 6 are now available right here in Australia. Joined Apr 26, 2016 Messages 1,292 Reaction score 306 Location On the Circle of the earth Is there any advantage to going to true duals vs. AJ/FormS Well-Known Member. In this video we introduce Gill Welding & Fabrication's FAT Pipe Kit for Dutra Dual exhaust manifolds. I paid $635 shipped for the whole system. Of course, that's just Search titles only. They are now out of the way compared to stock which was burning my wife's fee and creating bunch of heat. If you know someone who can weld cast iron, you can fabricate your own. Dutra Duals are probably a better choice anyway. Home. Offline: 3 Deuce Webber: Joined: Fri Feb 22, 2008 3:15 pm Header 2 Header 3 TOURNAMENT RESULTS {{tournament. I haven't had a chance to check the performance yet due to some rain today, but hopefully it will clear up tomorrow. Now it seems my last chance should be these Dutra Duals I've heard of in passing. Author Topic: De-catted headers vs V&H Power Duals (Read 16719 times) 0 Members and 1 Guest are viewing this topic. Features Second revision Dutra Duals to allow for more starter motor room CNC machined cast iron headers with laser cut flanges Includes both front & rear exhaust outlets Suits Slant 6 engines PlumKrazy Garage is an authorised Aussiespeed stockist The Power Duals will give you more power than the Dresser Duals. Headers cost more, but give If you daily drive the car, startup driveability is better with the Dutra Duals. The motor is a freshened up L48 that is totally stock. Currently unavailable. Last pic obvs I know you asked moparkid, but, IMHO I think it would be best to go with either the front and rear dutra duals or a modified rear and a front dutra because when it all comes down to things it still is a slant six and again IMHO I think it's best to focus on torque more than HP for a street /6 that's going to be driven everyday especially on a torquey engine like the 225 (I'm (1) Stainless steel turbo header kit. C3 Tech/Performance - Rams horn manifolds vs headers - If I'm running a stock engine or even a mildly modified motor, how much power am I giving up by using the stock rams horn manifolds? I did open the ports up a little and clean them up inside the runners with a grinder. Thanks Sent from Motorcycle. Two 2" pipes off my headers, DUTRA DUALS CAST iron exhaust manifold headers not extractors new Aussiespeed - $990. Head has . The front The Dutra Duals are now made in Australia, and the preferable setup for street use is Doug's original configuration: a Dutra front-3 unit with a cut/capped rear half of a stock exhaust manifold (keeping the central collector area for intake heat, and the automatic choke tower). Offline: Turbo EFI: Joined: Wed Feb 23, 2005 9:50 pm Posts: 2353 Location: Pertneer Fortunately you don't need to go to Clifford to get hot rod parts for slant-6s; there are lots of other, better options. Partners. For intake, it depends on what you want to do. Top Bob Brady Post subject: Re: Dutra Duals. I am not a fan of the looks of the v&h power duals head pipe. 00 Add to cart. From what I've gathered Dutras cost less, are supposedly more durable, and still give a significant power/fuel mileage increase. due to the shorter block. The secret to Dresser Duals lies under the heat shields, with our proprietary 2TR-FE header: LCE vs. (1) Pack of stainless steel hardware. We include steel lasers cut flanges, exhaust outlet flange gaskets and 3/8 unc steel studs with brass nuts. 4. Dutra dual headers with front and rear pipes are merged from 2 into 1 in this picture. What's new. Location Wisconsin. Your can buy either single outlet headers that maintain a single exhaust pipe, or go to dual outlet headers which let you have either dual exhaust or a larger single exhaust pipe. Note that the tabs are "mirror images" so the older version of the casting could never be used on Dutra Duals (split exhaust manifold) = much, much, much less hassle in about half a dozen different ways. For a street car, Dutra duals would probably be best, with a common pipe to the turbo. 104 posts · Joined 2005 Add to quote; Only show this user #1 · May 29, 2007. I purchased the header, PC5 with auto tuner & I have it hooked up to a set of CFR pipes. The best Slant Six intake for a street-driven car is the factory Super Six 2-barrel setup. Dutra Duals are still a thing, yes—a very, very good thing. FOR SALE! A complete redesign of the rear header now allows for these to 163913477630 All depends on what your riding goals/preferences and intended future updates are. Mopar 170/198/225 Slant Six Stainless Exhaust Pipe Kit. Stock manifolds, True Duals with flowmaster super 44's, Bama Tune, full suspension (lowered, 8. Duals without a crossover is just not done in a good exhaust shop. manifolds vs. I went with true duals when my stock headers cracked at the crossover joint. 2-1, is it like a Dragos True Duals vs Jackpot 2-1-2 header. good looks, LOTS of heat issues, unbalanced sound, decent HP and Torque #'s HTTP has a very wide selection of headers that cover most everything you'll need. AND understand that the articles are largely an advertisement for the 'speed parts' So since I want to stay with a carb, maybe it's best to do the original Dutra Duals with the modified rear manifold. 00) today when you shop RevZilla for your Vance & Hines Power Duals Headers For Harley Touring! Free Shipping, Lowest Price Guaranteed & Top of the Line Expert Service. Fit perfectly. Exhaust Buying Guide for Harley Touring. More cost-effective than headers, and unlike Clifford, Dutra won't take your money and make dumb excuses for months about why he hasn't sent your parts yet, or refuse to help you when the parts don't fit 'cause they're poorly made. Post So far in the Manifold Mystery Tour exhaust manifold vs. That will be pretty pricey. It is interesting to know that this dual manifold set-up idea started as a result of "hand fabbed" units. at 3300 Vance & Hines Dresser Duals Headers For Harley Touring. seems its a 2 week turnaround time. Any header to be used on a 170 will have to be modified. Premier Partner. Zverev. Doug Thorley. Post subject: Dutra Duals. Post Posted: Sun May 01, 2016 11:46 pm . (1) Stainless steel T3/T4 flange. Where I've seen custom headers come up is in a system to system request operating on behalf of a user. My model says maybe a bit over 200 but I was shooting for driving torque down low so it has probably 250 ft-lbs at 2000 I went with the Freedom Performance True Duals, a K&N High Flow filter, and tuned at the Indian dealership. Anyone have this type of set-up or thoughts on this set-up? Totally not interested in a 2 into 1 set-up. One thing you have to remember, the farther from stock your engine is, the wider the spread will be between long headers, short headers, and Dutra Duals, especially if you start turning over 5000 rpm. I passed my '68 with a header and two shops said it didn't matter. SponsorTitle}} {{tournament. New posts. First, Rineharts aren't twice the price. Sep 24, 2012 #15 Belgiquebasterd Senior Member. I'm not sure that $600+ TTI headers are in my future but I may be able I put the dresser duals with CFR knock offs on my 11' SG. Post Posted: Fri Jan 19, 2007 6:30 pm . A pipe off of each manifold goes into a Y-pipe, and then one pipe out the back. I definitely want a cross over pipe. sounds great. And this is for a motor that will not see over 3500 rpm. Hope this helps. Pipes installed on the new 2019 Dutra Duals, the new rear design should make the headers much easier to fit on all slant 6 powered vehicles #aussiespeed About the Author . 95 Regular price Unit price / per . There are duals currently in place all the back. This turbo kit is designed for 1967-1976 A-Body Mopars with Slant Six. Rinehart has made it easy to take the sting out of upgrading your dresser's exhaust. I wanted to simulate long tube headers with the collector moved out. Color: Black: Brand: Vance & Hines: Early A’s get some respect! My wife was thrilled her car was selected. I'm stage 1 with and EFI map done through a SERT (no dyno tune). Very Happy. There is/was the Dutra Dual exhaust. If you choose to go to dual exhaust, I recommend 2 inch pipe all Post subject: Best exhaust configuration for Dutra Duals. 2 posts · Joined 2012 Add to quote; Only show this user #1 · Oct 3, 2012. Hi-perf Doug Dutra Cast iron headers. Offline: Turbo Slant 6: Joined: Fri Apr 16, 2004 5:50 pm Posts: 660 Location: Stevensville, ON Car Model: If you are thinking about a dual carb setup, you should consider I was looking into getting true duals for my bagger when my (welding) buddy (and Harley builder) told me of a different solution. But if you're seeking more low end grunt, true duals wouldnt be the optimal choice. Check with them to verify. Aussiespeed has a header That is supposed to fit with the 170, but the early ones did not. Also other than straight headers have run a crossover pipe, x, y, whatever you want to call it on every one of my vehicles. They also said the monster ovals would be a little louder and have more bark with the power duals. Dutra Duals are a better idea unless we're going racing. Page 1 of 1 [ 5 posts ] Previous topic | Next topic : Author Message; imanexcellentdriver Post subject: Installing Dutra Duals. The stock pipe below is hidden. C3 Tech/Performance - Header/Sidepipes vs headers true duals - I am finally at the exhaust portion of my restomod on my 77 4spd. The PBT-D150 requires Dutra Duals. The only “true duals” I’m finding for M8 is from Bassani, with that ugly Power Curve in the rear head pipe. True duals are changing the headers You may continue to use you V&H with your true duals headers. As far as the heat the true duals will help. Please sound off with your opinions. Post Posted: Thu Nov 23, 2006 3:41 am . P. Has anyone compared performance resulsts between the Clifford shorty's and the Dutra Duals? Top Pat Osburn Post subject: Clifford VS Dutra Duals. I emailed V&H several weeks ago and asked them about the power duals. Headers are built only for the 225; the lower ports on the 170 prevent headers fitting on the 170 without hitting various components. 99. Page 1 of 1 [ 14 posts ] Previous topic | Next topic : Author Message; BigBlockBanjo Post subject: Oil Pump, and Dutra Duals. 1 lb. I was all set to get some Cliffords, but they just recently raised thier price over $100 right when I got my tax return. I got a base map from FM. have a very nice crossover presentation as well. True Duals with Slip ons. Aussiespeed Street & Racing The Offenhauser intake is equipped to run with the heat setup on the stock exhaust manifold or Dutra Duals. The stock headers Looking to upgrade the exhaust on my 2013 FLTRX and want to eliminate the cat in the process. NEW 2019 MODEL NOW AVAILABLE, MORE STARTER MOTOR CLEARANCE FOR BOTH USA and AUSTRALIAN SLANT 6s Dutra Dual cast iron headers were taken over in march 2018 from this date and will be manufactured in Not quite. So, how much low end torque do you lose going with duals vs. This comprehensive video begins wit Do a search on this topic; I did just yesterday and the consensus is there IS no consensus! Some favor Dutra duals with a "y" pipe channeling into a single exhaust. V & H headers plus V & H mufflers would be roughly the same price. Stock headers with slip ons. 00. 10s, UCA, LCA, springs, CC plates) Save Share Reply Quote Like. Page 2 of 3 [ 32 posts ] Go to page Previous 1 2 3 Next Previous topic | Next topic : Author Message; THOR Post subject: Post Posted: Wed Jul 20, 2011 9:50 pm . headers vs duals Early V8 (1932-53) User Name What the guys at www. Don't use headers, use Dutra Duals instead. 3L V8 with stock manifold and exhaust, Gibson shorty headers with an after-cat exhaust to match, and Stainless Works long-tube headers and a full Stainless Works true dual exhaust Dutra Dual 2019 version Aussiespeed dual outlet cast iron headers. Only the induction side is critical, along with spark, etc Header: meta data about the request; HTTP Headers are NOT part of the URL; if it's information about the request or about the client, then the header is appropriate; headers are hidden to end-users; globally data; restrict Dos-attack by detecting authorisation on it's header, because a header can be accessed before the body is downloaded; Param: I just ordered a set of Dutra Duals from Aussiespeed and I was curious what people do as far as what exhaust options (size, mufflers, true Duals with xpipe, y pipe to single?) also, do most people just bolt them on and drive to the exhaust shop open headers to have them make something or do people do any temporary downpipe solutions for driving I've got a 318 w/ 2 1/4" duals with stock 73 318 manifolds. 8, 4. I have been wanting Hooker, Dougs or OBX side headers and side pipes since I got the car but many people have told me that a stock L48 I like the sound of duals, but I've read I will lose low end torgue. 一期一会 Too many people who were born on third base actually believe they've hit a triple. Features: Full-coverage 220° heat shields; Compatible with 1995-2016 style slip-on mufflers; Made in the USA Dutra Duals, better than headers unless you're going racing. The test engine found gains simply by AussieSpeed have the market cornered down here. Once the intake has heat soaked, not much difference. Doug is best known for his intimate knowledge of the Slant Six and for creating cast-iron split exhaust manifolds for the engine (Dutra Duals). Bullitt95. I would do it again without hesitation. Offline: 4 BBL ''Hyper-Pak'' Joined: Thu Aug 21, 2014 9:44 pm Save 15% ($165. 4543 posts · Joined 2007 Add to quote; Only show this He doesn't live in Sunnyvale any more—he moved to forest fire country. I have a couple of old manifolds, but just fyi the hooker headers have a small tube coming of one of the runners that connects to a plate that attaches to the intake for heat. Thread starter Cuzz; Start date Feb 9, 2012; C. 一期一会 Stock manifold vs ported manifold vs headers? And at that 6 into 1, or 3-2-1, twin sets of 3, and Dutra Duals. 9079 posts · Joined 2012 Add to quote; Only show In this video I show the difference in sound between factory exhaust manifolds and a factory cat deleted 2. Platinum Partners. does any one know if some one makes headers for slant six swepts? if they dont, will an a-body header fit w/o lots of bending and denting, or will "dutra duals" fit better? sorry On a daily driver I would go with Doug's set up with Ceramic coating or for racing, the long Hooker headers with ceramic coating for more torque and "X" pipe and true duals with The Aussiespeed Dutra Duals are fully CNC machined and by doing this it makes the fitment so much easier and ready to install on cars and trucks. Great looks, good HP, not much torque change, lose of heat under seat and legs. ive had the single in and two out on the last 3 trucks ive owned only ran flow master 40 series. Jump to Latest 2. 1 lb-ft. I doubt it would make much extra hp but hopefully a little extra low rpm torque as it will be running a Columbia axle. Nov 25, 2024 #4 Also remember that in order to run true duals on an early A body, the transmission mount/crossmember needs to be modified for S&S Power Tune Dual Header System For Harley Touring. I've used them with both Hi-flo and stock mufflers and don't really notice much power difference from the crossover setup. Miles Tequillya. After much deliberation and research, I decided to replace them with a set of Dutra Duals . Doug Dutra creates “Dutra Duals,” manifolds that support dual carburetors and are less prone to cracking. I'm sure the local exhaust shops couldn't handle something as specialized as this. Would headers from a Then there are the Dutra Duals. At least one guy on ebay sells a steel header adapter plate that bolts to the head. S&S Power Tune Duals. Aussiespeed Performance Products (2403) 98. Dutra duals are more expensive than they used to be. dutra duals y'd into a single header pipe vs ported stock exaust manifold with a larger exhaust pipe . Open Box. Very pleased with the product quality in both fitment and finish. Fit of headers, and routing of the duals is making me think manifold, y pipe, then Header 2 Header 3 TOURNAMENT RESULTS {{tournament. . For felt heat reduction, these Floorboard Extensions will reduce felt heat more than a different set of headers, and are a lot less expensive. We have used and sell both. I feel the X-pipe or the Jackpot Header maximize your performance utilizing the factory 2-1-2 exhaust format. Product Fullsac vs Stock header vs V&H true Duals. 2 into 1 Power Duals VS Dresser Duals. Slip on's VS true duals First off Slip on's are nothing more than mufflers. Early A body Chrysler slant 6 tubular headers AS0079 The question is, what size pipe should I tell the exhaust guy to use to go from the Dutra duals to the exhaust pipes? The rear one has to make a tight bend around the mini starter motor, and both have to fit between the engine and frame, and clear the clutch fork and torsion bars. Dutra Slant Six cast iron One is a street rod pickup, we had it on the chassis dyno, its got electric cut outs and flowmaster 40 mufflers, it made more power through the x & mufflers than the open headers. This kit allows you to keep the comforts that you enjoy, while allowing you to bring the slant six in to a new Installing Dutra Duals. Post Posted: Mon Dec 01, 2008 2:09 pm . My 62 Valiant is in dire need of a little extra power. only different is that true duals you have 2 free flowings exhausts not fighting each other to escape and less back pressure with the true duals. Would RHD also be an advantage for installing Dual Dutras as mfdu mentioned? Looks like the starter motor position This item includes: (1) Aussiespeed Dutra Dual AS0567 Header Pair For Chrysler 170/198/225 Gill Welding & Fabrication's Dutra Dual Alignment Bar is recommended for all Dutra It was through an article in Hotrod magazine where the Dutra Duals were used for testing and they worked hand in hand with the Aussiespeed long and short intake Probably the header wrap I put on them to keep the heat down in the engine compartment didn't help either. If I were of a mind to change my setup, I'd go with the Rush headers; ceramic coated inside that really cuts down on the heat S&S Power tune dual header Had local HD dealer install S&S power tune header system. We thought as they are now made in Australia it makes sense that they fit Australian Just put a set of Rinehart True Duals on my Road King Classic and absolutly love the sound. Just mainly looking to get some sound and performance out of the 103". TacoDell;2193266 said: ~ off road thought, for the day ~ " if ya wheel Yes , I am sure this topic has been beaten to death, but here goes. bmaker Discussion starter. The 600 Holley likely adds to the resonance too! Fopar runs duals on his 53 Ford off headers. traditional headers. They have a long and ugly reputation for being a bunch of clowns; see for example here, here, here, here, and here. They look and sound awesome and their customer support is 2nd to none! Save Share Reply Quote Like. Offy manifold fitted up with Aussiespeed slant 6 Dutra Dual cast iron manifolds. Getting rid of the catalytic converter definitely reduced the heat on the right side and the true duals are much louder than factory exhaust. _____ "Ja, Ich fahre unless the car originally came with cat converters. Fourwheeler. Aussiespeed Performance Products (2400) 98. _____ What header or headers fit best on a slant? I have a 74 Duster with A/C and power steering. It's in Walker's QuietFlow SS premium OE line, all stainless steel (which is nice for durability), made for the '01 Jeep Cherokee 4. DOWNLOAD OFFICIAL ATP WTA LIVE APP. Looking for advice/opinions of a good header, considering either the Vance & Hines Dresser Duals or Power Duals. 5% positive; Seller's other items Seller's other items; Contact seller; I have Dutra Duals on my '78 Volare's 225 /6. Dutra Duals or Headers. ofmd kuelyb cwubk lipb qkofd oslkl jmeyq okuij cpdyiz zxhcfy