So if I just installed the oem svt plugs 5,000 miles ago, would I have zero performance gain from changing over to sp-463? I work at a ford dealer, so the decision only costs me $6. Can't remember how much I paid for OEM.
Droste Drummer. Droste like Frosty.
00" Red ZX3: Volant, ported throttle body, titanium wrapped SVT header, 2.5" exhaust, Magnaflow res/muffler, FR UDP, Mac cam gears, Lowered 2", Koni's.