Catalyic Converters!
#2
any cat will act as a muffler to a certain point. a high flow cat will muffle the sound much less then a stock cat will.
why do you have to put cats on? emissions? if so, just get a stock mid pipe with cats already on it, pass your test, and then take the pipe with the cats out and run what you have now untill its smog time again. just an option if you want to keep the sound exactly the same
why do you have to put cats on? emissions? if so, just get a stock mid pipe with cats already on it, pass your test, and then take the pipe with the cats out and run what you have now untill its smog time again. just an option if you want to keep the sound exactly the same
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