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UNDER DRIVE SET UP

  • BBK

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Underdrive pullys

3K views 27 replies 13 participants last post by  Bullitt95 
jlee i have a 07 gt 5spd with 3.31's only thing previous owner did other than tubular rear suspension is steeda throttle spacer and pypes muffler deletes
still has factory airbox(yuk) and muffler forward exhaust im looking for more hp for this summer and already eyeing a bama tuner
I'd throw away the TB spacer and I personally prefer Brenspeed tuning. I'd look into ordering a JLT Series 3 CAI, SCT X4, and Steeda UDPs
It'll take you from a stock ~270 rwhp to about 295 at the wheels while helping gas mileage (if you can stay out of it) and the car run smoother.

My best mod by far has been a Barton short throw shifter.
 
the cai im really looking at is the airaid race
Air raid is very good on most cars, but the JLT and C&L tend to be the best on the 4.6 3v. Just steer clear of cheap CAIs and ones that don't require a tune. A quality filter is vital to your engines longevity and a quality system will have a top notch filter, large diameter tube, and good temperate control.
 
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