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Originally Posted by Myssan
I have a 2" exhaust and a cat on my S14 SR running stock ~8 psi. I figure unless IM gonna run more boost or a bigger turbo the exhaust I have shouldnt give me any turbo lag problems I dont think. Its nice and quiet now and I could spend the $500+ dollars on other things besides a 3 inch cat-back. Now truthfully...will I really see any real performance gain if I upgrade?
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Yes. Your turbo will spool faster and smoother, meaning you will get more power in the midrange. Sometimes, a larger exhaust even allows you to make a bit more boost...
Eric