Quote:
Originally Posted by ctk1
Shortly after I get my 2SS I plan on removing the stock mufflers and adding Corsa black case (aggressive) mufflers. I know that the cat really restricts the exhaust flow, and kills the sound. My question for you guys experienced with computer controlled engines is...If I remove the cats completely, it will obviously make it loud which is what I'm going for, but will it set off any lights on the dash or make the car run lousy because the computer will be getting strange information?
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Yes. Either way, you're going to need a tune, so you're better off getting a set of longtubes with catless midpipes if you want to see power. All you're going to do is piss off the PCM if you just cut the cats out without a tune. There's a downstream o2 that will detect it, most people tune them out.