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  1. Focus ST Discussions
    So I recently purchased a 17 Focus ST 100% stock at 32,000 miles about 6 months ago. Since I got the car the vehicle is now stage 2+ and have gone stratified tuned. Something I’ve realized since I’ve owned the car is on warm starts the vehicle sometimes drops low in rpms and shutters. The rpms...
  2. Focus ST Performance
    Hello I am wondering if I can achieve 300hp+ with my exhaust. Focus ST MK3.5 ST250 Current mods: Airtec intercooler 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...
1-2 of 2 Results