[sklimo]

Originally Posted by OnionTou

Thanks everyone for the great answers.

Seems like I will want to have a cat in my car (smell, soot, etc.) and emissions tests.

I'm guessing most aftermarket frontpipes don't come with cat? and what about the header?

My other question is, am I correct to assume that most aftermarket headers don't have places to connect the sensors O2 the car uses?

Invidia makes catted front pipe