i am running a 15.9 and i want to no wat i could do to my car so it ran low 15 high 14. Let me no wat i can do.
you need to add performance parts. and that = MONEY!
Im a Xbox 360 fanboy...and damn proud of it!!
With the mods in your registry you should already be low 15's
I asked to post the timeslip because more than likely a few DRIVER adjustments can get you want you want.
Do you have any other exhaust mods beside the header?
5pointO