Exhaust Tech
Headers 1 and 3/4 vs. 1 and 7/8???
I am planning a few basic modifications to a stock G8GT with stock exhaust. My goal is to mildly increase power (25-50 RWHP gain), increase low end torque, and significantly increase sound. I plan to do a CAI, headers, and tune (only)! I plan to use a Vararam...