3 inch exhaust

boner1115 · 09-29-2005, 04:06 AM

So i was just curius to know about how much hp i should expect to gain on my stock 1987 turbo supra if i get a 3 inch exhaust system with out muffler or cat? thanks.

09-29-2005, 04:06 AM	#1
boner1115 Intake Join Date: Sep 2005 Posts: 36	3 inch exhaust So i was just curius to know about how much hp i should expect to gain on my stock 1987 turbo supra if i get a 3 inch exhaust system with out muffler or cat? thanks.