I have a 03 gtp with cold air intake n the u bend n resignater out on my car I'm new to the grand prix life but my buddy has a stock 91 foxbody mustang with a stock 5.0 with flowmasters n he gives me **** bout my car its a lil roached out but I raced a ws6 n the outcome wasn't to good for the gtp so what I'm gettin to is would it be worth the race or would I be seeing tail lights n the same goes for a 4.6