Place your bets.
#19
Senior Member
Certified Car Nut
Thread Starter
I never said 30 hp. The butt dyno was a lot more then I expected, my high flow GM exhaust seems to be part of that. It'* easily more then double the volume it was before.
#20
Guest
Posts: n/a
Originally Posted by BonneMeMN
I never said 30 hp. The butt dyno was a lot more then I expected, my high flow GM exhaust seems to be part of that. It'* easily more then double the volume it was before.