their not really 90s anyway more like 45's and i agree with ya on the concepts but i got the welds done with no burs on the inside that one reason why theirs so many welds peice by peice. second i cant find 3" exhaust online anywhere so even with my bends its still an upgrade from 2 1/2 and its loud but thats what i like. i dont know about all the tt.net members but im proud of my z and i like drowning all those v8s out there in the sound of vg30 loping like a raped ape. actually sounds mean. i imagine if your mods list is like spee's then your z would probably sound like a honda. thanks Z U N L for the support and info though atleast some people understand what im saying about what do you think.