What is the best type of exhaust system for racing?

Question

A cat-back exhaust like (Vibrant TPV Cat-Back Exhaust) or a regular exhaust like a (Buddy Club Spec II Exhaust)??? It's to get as much power as possible out of a 2005 RSX Type-S. So basically, is a catback or a regular exhaust better? Thanks...

Answer 1

a catback is better than a stock exhaust, but if you want performance start with aftermarket headers then work your way to a catback

Answer 2

Open headers, oh you can't you don't have an American Muscle with a V8  Sorry.