I have come to the conclusion that I don't enjoy the smell of gas any more. so I am going to put cats back on the car. I have a 3" dp that goes into a 3" test pipe that goes into two 2 ½ exhaust. My question is:
1. Who makes the best high flow cat?
2. Should I use 1 3" or 2 2 ½ cats?
1. Who makes the best high flow cat?
2. Should I use 1 3" or 2 2 ½ cats?