Milltek BMW 4 Series F82/83 M4 Coupe/Convertible (Non-OPF equipped models only) 2014-2018 Secondary Catalyst Bypass Exhaust F33 440i Winner of the Global Press

Winner of the Global Press Award at the 2007 SEMA Trade Show

avoiding run out and vibration through imbalance

the X34 Carbon Fiber Intake System offers discerning enthusiasts measurable increases in horsepower and torque

- optional with additional bracket for vehicles with adaptive cruise control ACC (recalibration of the ACC may be necessary)

CAD designed

Milltek BMW 4 Series F82/83 M4 Coupe/Convertible (Non-OPF equipped models only) 2014-2018 Secondary Catalyst Bypass Exhaust F33 440i Winner of the Global PressAll Milltek performance exhaust systems are manufactured from T304L stainless steel; giving you the satisfaction of knowing that our products are meant to last within some of the toughest environments. T304L is a highly durable form of stainless steel that is far less susceptible to degradation and discolouration than many others of its kind, while it will last almost indefinitely.