Ok so I have a 2003 mustang gt(4.6l sohc). I've had it for a while now but I was guessing I was putting out around 360 hp but I grandpa thinks I'm more around 320. Can some please tell me there guess around what my car is to solve a dispute please. Hear is a list of stuff I have done to my gt... Bassani med length headers, bkl custom x pipe with two bassani cats, full bassani exaust from x pipe back with two bassani mufflers and tips. C&l intake, aluminum pullies, accufab 75mm throttle body and upper intake plemum, sct tuner with custom jlt tune, 3.73 rear end gears, upgraded coils and plugs, pro5.0 shifter, eibach pro kit, pro sport harmonic damper, and Mac caster camber plates. I believe that's all, thank you for anyone who takes time to read this. We don't have a dyno anywhere around hear unfortunately.

 

Hate to tell u this but I would say ur right around 250and rwhp which is roughly 280 to the motor

 

have you ever titled something before?

 

id say in the 245rwhp range

 

Long tubes are the only real headers that make a differance on these cars.

 

Unfortunately our motors don't respond very well to bolt-ons.

 

I would guess 20 over stock to the wheels max. 360 is a dream without boost. Sorry bud

 

i agree with this

 

You can see what I am making with all the bolt-ons and stage II cams (280-285rwhp, 325-330flywheelHP).

Every dyno is different, so you can't really compare what others make closer than +/- 10rwhp. I would guess you are close to 250rwhp, 290flywheel HP. Peak HP number doesn't mean much though. Take it to the track and see what it traps.

 

This.