Milltek Sport Large-Bore Downpipes are designed to enhance both performance and sound. These downpipes feature a larger diameter compared to standard OEM parts, providing significantly more space for exhaust gases to exit the engine, which increases efficiency. All Milltek Sport performance exhaust systems are developed for a wide range of vehicles. The research and development team continuously works to deliver solutions for performance exhaust requirements. All products are manufactured in the UK and distributed to over 90 countries worldwide. Note: Stage 2 ECU Remap Required. - Larger diameter than OEM for improved gas flow - Designed for increased efficiency and enhanced sound - Manufactured in the UK and distributed globally Specifications: - Pipe Diameter: 76.20 mm - Fitment Time: 3 to 4 hours (including removal of OE system) - Race Product: Yes - EMarked: No Kit comes with: - LH Downpipe with Heat Wrap Protection - MSAU734 - RH Downpipe with Heat Wrap Protection - MSAU735 Vehicle Compatibility: - 2018 and later Audi RS4 B9 2.9 V6 Turbo Avant (Non OPF/GPF Models) - 2017-2019 Audi RS5 B9 2.9 V6 Turbo Coupe (Non OPF/GPF Models) - 2018-2019 Audi RS5 B9 2.9 V6 Turbo Sportback (Non OPF/GPF Models) - 2019 and later Audi RS5 B9.5 2.9 V6 Turbo Coupe (Non OPF Models) - 2019 and later Audi RS5 B9.5 2.9 V6 Turbo Sportback (Non OPF Models)