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I was just thinkin about this since I got a 4.0 gpa this semester, my mom is gonna pay for my custom exhaust.

I am planning on the DP.com y-pipe when the fit is perfected, and the cats are offered, and I was planning on going with a set-up similar to Venom for the piping, but then, If I am thinking correctly, that still leaves the stock flexpipe in the mix. Does anyone know what the diameter of the flexpipe is? Will it be a bottleneck since the piping would go from 2.5" diameter, to whatever the flexpipe is, and back to a 2.5" diameter? Are there any cars that I would be able to steal a larger flexpipe from if necessary. This is assuming that I need to keep the flexpipe, and I think I'm right about that.

What are your thoughts?

Any ideas on what I should get when I do the exhaust?

Adam

 

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I got a 4.0 too, can she pay for mine???? I would think that if you are going to have a muffler shop do the install, they would stock a larger flex pipe. The biggest thing would be to use mandrel bends, as well as a good muffler (obviously). Not to be a downer, but you will still be using the same headers, which are the main restriction in the exhaust sytem; so you probably won't notice any performance gains. But it will sound cool!
 

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Just purchase a larger flex pipe. If you're going to get the DP y-pipe and get a mandrel bent exhaust, don't think about keeping that old flex pipe.

DP y-pipe into a 2.5" flex pipe and 2.5" mandrel bent stainless all the way back to a straight through muffler.

How much does mom expect to pay?
 

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muffler? We don't need no stinkin' muffler. On another note: Deltar, have you put an exhaust on your duratec? I'm not trying to say your'e wrong or anything, I'm just curious because I would think that the bottlenek in the taurus exhaust would be the exhaust manifolds, and that replacing the cat-back wouldn't do much good. If you know better from experience, feel free to prove me wrong.
 

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Originally posted by silvapain@Jan 2 2004, 08:24 AM
have you put an exhaust on your duratec? I'm not trying to say your'e wrong or anything, I'm just curious because I would think that the bottlenek in the taurus exhaust would be the exhaust manifolds, and that replacing the cat-back wouldn't do much good. If you know better from experience, feel free to prove me wrong.
No there's some power to be gained in getting a cat-back. Although you may only get like 10hp at peak or whatever, you feel it through most of the powerband.
 
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