Ford Focus ST (Mk4) Turbo Back Performance Exhaust Part_Dual Exit Conversion and a less aggressive ignition

and a less aggressive ignition advance map to help compensate for lower octane fuel blends such as those found in Arizona

due to the massive success of the marques predecessor

This exhaust includes the primary and secondary de-cat and issold for motorsport and off road use only worldwide

5) Resonator Delete Performance Exhaust

our catch cans are not heated

Ford Focus ST (Mk4) Turbo Back Performance Exhaust Part_Dual Exit Conversion and a less aggressive ignitionRequires mandatory ECU reflash. Cobra Sport performance exhausts enhance the sound, looks and quality of your vehicle giving you the ultimate driving experience. Our sports exhausts range is fully guaranteed to give you assurance of our quality. This Ford Focus Mk4 ST turbo back performance exhaust is made in 3" 76. 2mm pipework and fits from the Turbo backwards (turbo back) replacing the Downpipe, GPF, centre and rear sections. The non resonated