Downpipe-back systems include all exhaust components located after the downpipe. These products also take into account the rest of the exhaust system, with components from cat-back systems supplied along with any parts that follow the downpipe to complete the downpipe-back system. All performance exhaust systems are designed for a wide range of vehicles. The research and development team works year-round to deliver solutions for performance exhaust requirements. All products are manufactured in the UK and distributed to over 90 countries worldwide. - Addresses all components after the downpipe - Includes cat-back system components as needed - Manufactured in the UK and distributed globally Specifications: - Pipe Diameter: 63.50 - Race Product: No - EMarked: No Kit comes with: - Polished GT (round) 90 Exhaust Tip, Standard - MSAU529 - Centre Silencer - MSAU640 - Rear Silencer - MSAU641 - Adapter Pipe for 20V - MSAU667 - Connecting Pipe - MSAU668 Vehicle Compatibility: - 1989-1991 Audi Coupe UR quattro 20v Turbo