Quote:
Originally Posted by ///M TOWN
Is that what your running ?
Are you on stock exhaust?
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Had, car is sold now. But yes it was the FI pipe on the stock tune with M performance exhaust. No CELs. Really helped throttle response noticeably and butt dyno registered an improvement. Sounded very good too, quiet until you got on it. General rule of thumb is all modern performance cars need to breathe better IMO. I suspected catless DP would be better but I find them obnoxious from a sound and smell perspective without much gain. Cheaper, but not really much better.