Quote:
Originally Posted by FullTuneZN6
Further... I've recently seen, and want to follow up more on, that until you start hitting 350whp numbers 2.5" is still sufficient exhaust pipe dia....BC i just saw and heard Blitz exhaust and its pretty mean sound very deep and its 60mm
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I remember seeing Nameless using a 2.5 and a 3.0 axleback on their prototype header and the 3.0 actually made more power NA. So my theory is that a 2.76 would be beneficial than a 2.5 regardless if you are NA or planning a FI in the future.
By the way, I have the EVO 3 and it is nice. Deep throaty sound slight boxer rumble, and zero rasp(Because stock cat).