help!!!
 

i took my catalyc out and now my mufflers that sounded good sounds like shit i replace the catalyc whit 2 1/2 inch piping so i have straight pipe now i want to know which muffler looks and sounds good for a 92 300zx n/a????.....i think it sounds like shit because to much air is flowing so it change the sound of the tip(muffler)