The part is used to bypass the catalyst from the exhaust to create a decat system. Eliminating the catalyst enhances gas flow and performance, adding significant horsepower by removing the restriction caused by the catalyst. All performance exhaust systems are designed for a wide range of vehicles. Products are made in the UK and distributed to more than 90 countries worldwide. - Bypasses the catalyst for a decat exhaust system - Enhances gas flow and increases performance - Made in the UK and distributed globally Specifications: - Pipe Diameter: 69.85 - Race Product: Yes Kit comes with: - MSVW284REP: Catalyst Bypass Pipe - MSVW284REP - MSVW285REP: Link Pipes for Milltek Cat-Back System - MSVW285REP - MSVW286LH: LH Link Pipe to OE Manifold - MSVW286LH - MSVW286RH: RH Link Pipe to OE Manifold - MSVW286RH Vehicle Compatibility: - 2005-2009 Volkswagen Golf MK5 R32 3.2 V6