Hey I have a 2003 ford f-150 v8 5.4 with flow master exhaust and want a louder and also deep sound to the engine. I looked at qtp cutout valves and wasn't sure if that was the right way to go. I know I see a lot of more sport cars use it. Also how do I know the size of my exhaust pipes that I have? Thank you
have the same problem?
Friday, August 23rd, 2013 AT 11:33 AM