Quote:
Originally Posted by Deathghat
Hi, looking for someone who’s actually done this before, I worry about having a bottle neck if I leave the stock over pipe in. I have a borla cat back coming, and I’m going to do Tomei UEL Headers and I don’t think I want to believe there really is going to be noticeable performance differences between stock and AM over pipe.
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search up "invidia frs overpipe" on ebay, theres lots for exhaust manufacturers for the frs, but invidia is pretty much the bread and butter. looks like its $230. says its 60mm which is 2.36 inches