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Winter mods are starting to heat up and after a new set of wheels, I really want an after cat exhaust. I'm looking at either Corsa Indy's or a ZO6 Ti system. Maybe a SLP Blackwing or X-Pipe in the future but other than that, no headers, hi-flo cats, cams, or anything like that.
The question that I have is does the computer need to be reprogrammed? I am not looking for every last horsepower but I do NOT want the black soot on the rear that you always see on every import with a coffee can muffler.