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Old 01-30-2013, 05:21 PM   #3
09vistabluecoupe
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Join Date: Aug 2009
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What I Drive: 2009 Vista Blue SE coupe

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Quote:
Originally Posted by Kipp View Post
haven't tried it, but logically it would make sense that you would get a small (1-2hp) power gain and a louder sound. that said though, the factory exhaust is 2.25" and has a fairly restrictive flow compared to aftermarket 2.5" piping and better flowing (and sounding) resonators/mufflers.


unless you can do all the work yourself (cutting, fab work, welding) to put in a straight pipe, you're going to get the best bang for the buck with an aftermarket bolt on system. having a shop fab and weld in a straight pipe could easily run $200 or more for something with small results and a potential sound you may not like.


just my .02, but stick it out for the stealth.
I think the stock piping is only 1 7/8 in.
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