.:HSTuners::

97CivicBoy · 04-13-2003, 09:39 PM

what exactly does an aftermarket muffler do for you...they say on the package that it adds a few hp...is this tru...and i dont see how it works...i see how a catback does cuz its a whole pipe that goes from teh engine rite...but a muffler jsu makes noise rite..cuz i was thinkin of gettin one...and aslo do knn air filters give power or jus sound like a muffler lemme kno i'm new to the performacne field..

04-13-2003, 09:39 PM	#1
97CivicBoy Registered User Join Date: Dec 2002 Location: nj Posts: 398	question.... what exactly does an aftermarket muffler do for you...they say on the package that it adds a few hp...is this tru...and i dont see how it works...i see how a catback does cuz its a whole pipe that goes from teh engine rite...but a muffler jsu makes noise rite..cuz i was thinkin of gettin one...and aslo do knn air filters give power or jus sound like a muffler lemme kno i'm new to the performacne field..

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