The Cast Downpipes range is designed to enhance gas-flow and heat management, increasing efficiency and performance. The standard OEM catalyst typically uses 500-600 cells, while the race catalyst reduces this to 200 cells, resulting in a freer-flowing catalyst that improves gas-flow and performance. All performance exhaust systems are developed to meet a wide range of vehicle requirements. Products are manufactured in the UK and distributed to over 90 countries worldwide. - Cast downpipes improve gas-flow and heat management - Race catalyst features 200 cells for increased flow - Manufactured in the UK and distributed globally Specifications: - Pipe Diameter: 76.20 - Race Product: Yes - EMarked: No Kit comes with: - Front Connecting Pipe - MSAU617 - Cast Downpipe with 200CPSI No Cell Race Cat - MSVAG06NC Vehicle Compatibility: - 2013-2018 Audi S3 2.0 TFSI quattro 3-Door 8V/8V.2 (Non-GPF Equipped Models Only) - 2013-2018 Audi S3 2.0 TFSI quattro Saloon & Cabrio 8V/8V.2 (Non-GPF Equipped Models Only) - 2013-2018 Audi S3 2.0 TFSI quattro Sportback 8V/8V.2 (Non-GPF Equipped Models Only) - 2017-2018 Seat / Cupra Leon ST Cupra 300 (4x4) Estate / Station Wagon / Combi (Non-OPF/GPF)