09-03-2007, 11:10 PM
Do Mufflex Catbacks sound good on LS1's?
09-04-2007, 09:18 AM
ls1sounds.com check it out and see what you think of it it's your car it should sound how u want it to
09-04-2007, 06:42 PM
yeah that is a great sight and will help a lot, but my favs are True Duals, Cutout or GMMG setups.
Are your more for sound or performance. If its performance than the TD flow best and then the cutout. If its sound than it depends what you want.