Focus Mk2 RS/ST Airtec Motorsport De-Cat & Downpipe PackageAIRTEC Motorsport Focus Mk2 Downpipe & De cat package. Downpipe De cat Gaskets Bolts Made to a high quality standard and all tubing is finished in brushed stainless steel. Designed and finished in the UK *This is a universal fitting product proven to give significant power gains as well as increased pops and bangs due to an improved flow of exhaust gases.* Expect more popping & deeper aggressive exhaust sound with a de cat fitted. Gain 10bhp +