Milltek Sport Large-Bore Downpipes are designed to improve 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 and pass through the system, which increases efficiency. The primary catalyst is removed from the exhaust system to create a freer-flowing exhaust, allowing the engine to operate more efficiently and increase performance. - Larger diameter than OEM for improved gas flow - Primary catalyst removed for increased exhaust flow - Designed to enhance both performance and sound - Manufactured in the UK and distributed globally Specifications: - Pipe Diameter: 76.20 - Installation Time: 5 to 6 hours (including removing OE system) - Race Product: Yes - EMarked: No Kit comes with: - LH Decat Pipe - MSMC101 - RH Decat Pipe - MSMC102 Vehicle Compatibility: - 2017 and later McLaren 720S 4.0 V8 Twin Turbo