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 in fittings and joints

in fittings and joints

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

The latest offering from performance exhaust specialists

Sound - Engine at Idle: 60

Filter Length: 276mm (10

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 in fittings and jointsMilltek 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