BMW G8X M3/M4 - Secondary Catalyst Bypass - X Pipe to OE Axle Back Only Audi > S5 > 3.0 V6 Turbo Sportback B9 (Sport Diff Models Only & WITH Brace Bars) - Right Hand Drive Cars Only > 2017 and Later The styling of the system

The styling of the system is finished off with a choice of subtle twin 3" slash-cut tailpipes both finished in highly polished T304 stainless steel

The Milltek Hi-Flow Sports Catalyst reduces the restriction over the OE catalysts

The new systems for the M135i are based around a cat back configuration with the option for either a resonated or louder non resonated centre section

providing an impressive 35% increase in BHP and torque results showing a 27

in fittings and joints

BMW G8X M3/M4 - Secondary Catalyst Bypass - X Pipe to OE Axle Back Only Audi > S5 > 3.0 V6 Turbo Sportback B9 (Sport Diff Models Only & WITH Brace Bars) - Right Hand Drive Cars Only > 2017 and Later The styling of the systemMilltek 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