after installing my pro 5.0 the other day im itching to make it faster ...it's an addiction!!
i want both but for now i want to do either 3:73 gears or a programmer
with my o/r x pipe i think that my air fuel ratio is messed up
-how much of a difference would a programmer make?
what do ya think??
2003 Gt
- K&N intake
-C&L upper plenum
-bbk throttle body
-pypes o/r x
-flowmaster c/b
-pro 5.0 shifter

i want both but for now i want to do either 3:73 gears or a programmer
with my o/r x pipe i think that my air fuel ratio is messed up
-how much of a difference would a programmer make?
what do ya think??
2003 Gt
- K&N intake
-C&L upper plenum
-bbk throttle body
-pypes o/r x
-flowmaster c/b
-pro 5.0 shifter
