I'm a real dummy with exhaust, i bought my car with no exhaust, as of right now, it only has headers. Do I have to order an exhaust package for my car specifically or will any f-body package work? I want to get powerstick mufflers, my headers come off at 2 1/4", could i put long powersticks straight off the headers and put a downpipe before the axle? the only package I can find is a dynomax one, and it exits on the same side behind the rear wheel and i dont think a powerstick will work with it. I want true duel for the best throaty sound. Give me some input!