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  1. 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...
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