BMW G8X M3/M4 - Secondary Catalyst Bypass - X Pipe to Milltek Axle Back Only Audi > R8 > V10 5.2 FSI quattro Coupe�� and Spyder (excludes V10 Plus models) > 2009 to 2012 with their performance exhausts for

with their performance exhausts for both the previous generation A 45 AMG and latest AMG A 35 being amongst the best-selling systems in the market

All relevant fittings and gaskets are supplied (excluding turbo gasket)

giving BMWs latest saloon sporting intent

Very low leak down [4%] after controlled test bed running

Full fitting kit and instructions

BMW G8X M3/M4 - Secondary Catalyst Bypass - X Pipe to Milltek Axle Back Only Audi > R8 > V10 5.2 FSI quattro Coupe�� and Spyder (excludes V10 Plus models) > 2009 to 2012 with their performance exhausts forMilltek 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. Used with our Catalyst Bypass Pipe, you can expect significant power gain without any restriction on gas flow made by a catalyst. All our performance exhaust