P Parker New member Jul 12, 2009 #1 ...should do next? what should i do to my mustang? already have an intake what else do i need to do?
T thumperxlt2000 New member Jul 12, 2009 #2 The best thing you could do is an exhaust upgrade. Improve tone, performance, and gas mileage at the same time. A win/win.
The best thing you could do is an exhaust upgrade. Improve tone, performance, and gas mileage at the same time. A win/win.
