Quote:
Originally Posted by toner123
you do not need a 3 in exhaust 2.5 will work fine. Theory goes 2.5 will give you more of a lower end and where 3 will give you more upper end but you will lose some lower end. I am running 2.5 all the way through my car and compared to the people that have 3 in exhaust I do not see a difference in dyno numbers. Also if it does make a difference it is very minimal.
Frank
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+1, I cannot tell you how many times I have to tell people that you don't NEED 3"+ piping for turbo applications but when you want higher gains there is a point where the exhaust is a limiting factor.
To the OP, if you're looking for bolt-on's to cut down on your ET, check out the 12.6XX @110.XXX run all n/a by a fellow member on here. Jnaut is his username I believe. It's under the track section.