Quote:
Originally Posted by t335xi
I've never heard of a cop actually inspecting a car to the detail of cat or not. Are you saying after this the car is throwing out clouds of black smoke or that its pegging us fornoise violations?
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Who are you referring to in regard to your comment?
Even catless, you shouldn't see smoke unless something is terribly wrong with your engine as far as I know. Just a slight sweet smell.
A DP should make the exhaust a bit louder/throatier, but nothing crazy. Not even as much as a loud aftermarket exhaust.
IMO the biggest concern people would have is emissions inspections and possible check engine lights. You can get around the CEL with a tune that auto clears it, but not much you can do about emissions if they really get in there and test it.