if it's drone you cnat live with but you like the loud when you get into it, CORSA. thats what i have on my 06. they are louder than hell for as quiet of an idle with absolutly zero drone... trust me i love drone i had a 96 gt with bbk long tubes o/r x pipe and flow 40s with dumps you dont get much more drone than that...come to think of it i might be goin def... go to CORSA's site and listen to the sound clips... and they are very nice quality with some nice 4" tips man do they look great!