Focus ST MK3 Miltek Cat Replacement Pipe (Decat) J1 Automotive ideal for track day and

ideal for track day and fast road driving

Proven on Rolling Road dyno's

They also do not suffer from the problem of the engine sitting too high which can happen with OEM style mounts made in harder rubber

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0 TSI 300PS Cat-back (SSXVW257)

Focus ST MK3 Miltek Cat Replacement Pipe (Decat) J1 Automotive ideal for track day and50 % MORE FLOW Essential for Maximum Performance Class Quality and Guarantee of the Milltek Sport Brand. Gasket and fitting kit included Huge Increase in bore size Release the Flow fron the new Mk3 Focus ST 250 Ecoboost engine. The Original Catalyst and down pipe ,unlike the older ST225 and Focus RS mk2, are made in one piece. This new design features some restrictive bends and an exit bore size of only 55mm. With a new bore size of 70mm the new