Focus ST Performance
Hello I am wondering if I can achieve 300hp+ with my exhaust.
Focus ST MK3.5 ST250
3"decat downpipe toyosports - 3" mid section with 16" length res and ready axle exhaust is oem 2.25" with back box delete.
NGK irridium spark plugs
GFB 60/40 recirc/blow off valve...