Milltek Exhaust Renault Clio 197 2.0 16v Cat Replacement Pipe (SSXRN302) Supertech The MIL light is saying

The MIL light is saying that the car has a fault code (p0420) which refers to a less than efficient catalyst

If you are looking to upgrade the CAIS Cold Air Induction System  on your 2012 / 2013 Focus ST 250 Forge have come up with a pretty good piece of engineering With a significant increase in overall cross section size  compared to the standard hose

sensor cable

Application: Fiesta ST150 2005/2008

Kit includes 9 ancillary hoses

Milltek Exhaust Renault Clio 197 2.0 16v Cat Replacement Pipe (SSXRN302) Supertech The MIL light is sayingCat Replacement Pipe (SSXRN302) This system is made up of the following component(s): MSRN108REP Cat Replacement Pipe 51. 98 (exc. VAT) Miltek Sport Exhaust systems Over 20 years of continuous exhaust development and technical expertise are drawn upon to develop the ultimate Milltek Sport Exhaust System. Whether it be a Cat Back Exhaust or a Full Turbo Back System they are feature the best in Stainless Steel technology available. Milltek Sport Exhaust