Milltek Sport Large-Bore Downpipes are designed to enhance both performance and sound. These downpipes feature a larger diameter compared to standard OEM parts, allowing more exhaust gas to exit the engine and pass through, which increases efficiency. When used with the Catalyst Bypass Pipe, significant power gains can be achieved without restriction from a catalyst. All Milltek Sport performance exhaust systems are manufactured in the UK and distributed to over 90 countries worldwide. - Larger diameter than OEM for improved gas flow - Designed for increased efficiency and performance - Compatible with Catalyst Bypass Pipe for significant power gains - Manufactured in the UK and distributed globally Specifications: - Pipe Diameter: 70.00 - Installation Time: 2.5 to 3.5 hours (including removal of OE system) - Race Product: Yes - EMarked: No Kit comes with: - Decat Downpipe - MSVW491REP - Resonated OPF/GPF Bypass - MSVW492 - Adapter to Milltek Sport OPF/Cat Back Systems 70 O.D. to 70 I.D. 130 long - F5151 Vehicle Compatibility: - 2019-2021 Volkswagen Polo GTI 2.0 TSI (AW 5 Door PRE Facelift Models only) - GPF/OPF Models Only