I don't have access to a dyno and I'm not quite sure of the power gains so can anyone help me out and give me a rough estimate of how much HP &Trq I have? Also, will I will be able to beat my bud's Infiniti G35 which is stock at 280hp? 
03 GT 5 speed - 13000 Miles on it
Magnaflow x-pipe and catback
4.10's
Royal Purple covering all 3 areas
K&N intake
Steeda Intake Spacer
Steeda U/D pulleys & T/A
70mm TB & Plenum
Other mods:
Bullitt suspension and Tokico Shocks & struts
Steeda short shifter
Steeda light strut tower brace
Thanks in advance!
03 GT 5 speed - 13000 Miles on it
Magnaflow x-pipe and catback
4.10's
Royal Purple covering all 3 areas
K&N intake
Steeda Intake Spacer
Steeda U/D pulleys & T/A
70mm TB & Plenum
Other mods:
Bullitt suspension and Tokico Shocks & struts
Steeda short shifter
Steeda light strut tower brace
Thanks in advance!





