Do Sparkplugs and wires actually ad HP?
Do Sparkplugs and Sparkplug wires actually ad HP. If so what can one expect, 5-10?
Anyone want to suggest what one would be looking at for 07 GT.
Thanks in advance!
2007 GT/CS Convertible, Modifications: Dyno tuned. JLT CAI. 4.10 Gears. Edelbrock SC. Eibach Pro Kit Lowering Springs. Cerviniís Concept Hood c/w Custom Paint. Magnaflow Tur-X X Pipe and Magnaflow Axle Back's. Ruff Racing 20" Wheels, Nitto Invo 255 F, 295 R.