The Scorpion Car Exhaust High Flow Sports Catalyst – Volkswagen Golf MK5 R32 2005 – 2008 is part of the latest Scorpion Exhausts collection. HIGH FLOW SPORTS CATALYST A catalyst is a key component in emission control. It is also the most restrictive component of an exhaust. Our sports catalysts increase the gas flow while maintaining filtration rates. Our de-cats simply replace the catalyst altogether for the ultimate flow rate. Pipe Diameter – 63.5mm Tailpipe – N/A Red Power Valve – N/A Key Features / Points: Improved Performance Superior Engineering 2 Year Warranty Fitting Instructions Included British Manufactured PLEASE NOTE: Engine management light may be activated Stage 2 ECU remap recommended View all Scorpion Volkswagen Car Exhausts . View all Scorpion Car Exhausts . PLEASE NOTE: Most Scorpion Exhausts are standard Stock and will be with you in a few days but some are a bespoke item manufactured to order. Although we have stated estimated delivery times in this listing these are for guidance purposes only. Due to high order volumes there may sometimes be a delay in the production of your exhaust. If you require an exhaust for a specific date please order well in advance to ensure that you receive it in good time. We appreciate your understanding in this matter.