Which exhaust setup should i go with?
Which one of these should I go with?
by the way, i have to have "50-state legal" cats on the car in order to stay in the street touring class for auto-x, so they can't come off altogether...
*edit* long tubes will obviously make the most HP gains, but is it worth the money to do that...take into account the "bang for the buck" factor too...
'05 GT - Borla Catback, JLT Series 3 Intake & SCT SF3 Tuner, Koni Adjustable Shocks/Struts, H&R Race Springs, Roush Shifter, Hawk HP+ Brakes all around, Steeda Front Sway Bar & End-Links, Royal Purple Fluids
'2011 F-250 Super Duty Crew Cab - 6.7L PSD 4x4