Volkswagen Golf MK7.5 GTi (Performance Pack Models & Non OPF/GPF Equipped Models Only) From 2017 To 2018 Large Bore Downpipe and Hi-Flow Sports Cat - Milltek Sport

Milltek Sport Large-Bore Downpipes are perfect when looking to improve both performance and sound. These downpipes are fabricated with a larger diameter than standard OEM parts, meaning that there is significantly more space for more gas to exit the engine and pass through, increasing efficiency. Combined with our Hi-Flow Sports Cat, you can expect a significant increase in performance and a noticeable difference in sound aesthetic. Stage 2 ECU Remap Required. EC Approved - For fitment with OE Cat-Back System only - Requires a Stage 2 ECU remap