Quote:
Originally Posted by squartus
Yep just delete the primary cats/midpipes. Give a fair ammount more sound as well as some decent HP gains for 300 bucks or so.
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Is this method your recommending using the test pipes? Would the car still pass emissions and have no engine lights on? I apologize for the stupid questions. I just had nothing but issues with my last car which was a 335i today catless. It was horrible trying to find someone to pass me for inspection. So your recommending replacing the primary cats/midpipes with test pipes?