and stest pipes. I had to get my car smogged today. Kind if a pain in the ass to remove and replace the cats and tps every couple rears. How much difference is there between Stock cats, High flow cats and tps? 2"5 sysen, and does it cause more turbulencein a 3" exhaust?
Follow Ups
How much perfeorance dfifference is there in stock cats - Evan(CA)19:55:31 09/12/09