Quote:
Originally Posted by Zaior
Its not illegal to put on a (some) catback or an air intake or a new engine or anything like that in PA. I dont think its illegal to turbo your car either, so there is some things you can do that are legal.
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you can legally add an intake, exhaust, and a header as long as you keep the cat. as far as a new engine, it has to be newer than your cars year.