Dual exhaust question
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Dual exhaust question
I have a 4" turbo back exhaust system (single) with muffler. Would it be possible to "y" out of that pipe, post muffler, and have a shop bend me another pipe to exit behind rear tire on drivers side essentially creating a dual exhaust? What effects might this have on performance gain, backpressure,etc. Thanks!!
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Joined: Jul 2005
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From: 21791
i tried to convert my single to duals, they said it is going to be alot harder, because you basically have to get everything new from downpipe back... Mark @ DPPI said it would probably be cheaper to sell the single and buy a dual system, rather than modifying the single. i do know that the tailpipe you have now won't work by just getting a splitter. instead of the tailpipe coming out of the muffler, there is a splitter right behind the muffer, with a top outlet and a bottom outlet. the top one goes to the right (normal exit), and the bottom one snakes it's way over the axle and in front of the spare tire, out the left side. unless you want to pay the extra money for your exhaust to custom make you an exhaust. i do know that mandrel bending 4'' pipe is rare, and when you have the proper tools and machinery to do it well, its going to be EXPENSIVE...
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From: Rural Central Ohio
Yep. I tried to go the custom route but NOBODY I called can bend over 3.5". I went with making my own using parts from www.airflo.com. About the performance and stuff you are going to lose flow anytime you split the exhaust from 1 to 2. But it's really not going to be a noticeable power loss unless you're injecting some serious fuel and a lot of air.
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From: W. Babylon, N.Y.
How do you loss powerwith a dual exhaust. When the exhaust is a single pipe from the turbo to the muffler, and dual after the muffler. The power loss would come if was true dual pipes. ?????
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From: Rural Central Ohio
A dual exhaust is going to make more power on the dyno compared to the stock exhaust. A 4" single will make more power than duals because duals you go from 1 pipe and split it. This creates drag. Drag = less flow. Less flow = less power. As I said before though, unless your like at 400 hp your not going to notice a power loss on the dyno.
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From: Rural Central Ohio
Originally Posted by Dually02
How do you loss powerwith a dual exhaust. When the exhaust is a single pipe from the turbo to the muffler, and dual after the muffler. The power loss would come if was true dual pipes. ?????
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From: W. Babylon, N.Y.
You can't run dual pipes. What I'm saying is. You can't loss power if your running a single up to the muffler then duals back from there???? The back pressure is only up to the muffler??? It's like running bumps. That means a short turn down pipe (around 6 in. or so) after the muffler. At least that's what I have been told by several people.
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