Originally posted by KingpinSVT:
Originally posted by tour96se:
well i have the stock svt exhaust with a sho shop y pipe...test pipe,and gutted cats and mines raspy above 3800 rpms,cold or hot.....



thats cause you aint got no cats!

if ur catts are gutted try stickign a pipe inside the catt , it should help out a little

1997 30th Anniversary SS,Jethotts/ORY/GMMG, 160thermo, ,TB bypass, 1LE intake elbow, BMR STB, 32mmswaybar..21mm rear,BMR LCAs, PR,SFCs,TA,LT4 KM,255lph, shift kit