My old focus ST use to fail running a straight through. MOT tester once said it would of failed emissions if he had put the sensor 10ft behind it! Funny F*****, NOT!
Titanium Silver - Lemon Dakota Interior
LM Reps - Borla Exhaust - Active Autowerke Chargepipe - Active Autowerke BOV - JB4 G5 ISO - Burger Tuning Intake - Koni Street Shocks - Apex Springs - Whiteline Bushes - M3 rear Arms - M3 Front arms -Amspeed Adjustable Drop Links - Akebono Pads