Dinan Free Flow Axle-Back Exhaust - 2008-2013 BMW 135i/135is Black

Dinan Free Flow Axle-Back Exhaust - 2008-2013 BMW 135i/135is BlackDinan's free flow Axle Back exhaust for the 135i Coupe and Convertible improves exhaust flow by reducing back pressure, resulting in increased power output and a great sporty sound that is civilized when you want it to be and pleasantly aggressive under harder acceleration. 100% stainless steel construction and exacting specifications ensure that the system fits correctly using the factory hangers and will resist corrosion for years to come. The

The AMS downpipe perform better and are not prone to cracking like the alternatives offered by some of the competition

The canisters are machine-pressed into a shape specifically designed for the G8x M cars using a series of deep draw dies

Snow Performance ACU-SEAL Water Methanol Compression Fittings

All BMW Performance carbon parts are 2x2 weave

and exceptional quality

Not just any power however - safe

hit apexes and smash laptimes

- PURE Upgraded Larger Billet Wheel

is BMC's new high performance sports air filter designed for road and competition vehicles

These set ups were specifically designed for the Nordschleife using track day tires

We use 100% pre-preg carbon fiber with no fibreglass which means we can achieve a smooth internal surface to maintain smoother airflow

The performance gains measured are a result of the complete system we have developed from the airbox base to the lid and the inlets