Long tube headers and a good catback exhaust.
get magnaflow or a flowmaster
Yes, but 1991 rims will NOT fit a 1993 camaro
no it will not
Yes.
Yes
There were no IROC Camaros in 1991
Yes
of course not. different roof
Yes, infact I own a 1991 Camaro RS V8 5.0. I purchased it in 2007.
No, they're 2 totally different bodystyles
One
Yes
Yes