Milltek Particulate Filter-back - Axle Back System with GT-115 Polished Trims - G82 M4 & M4 Competition S58 3.0 Turbo (OPF/GPF Cars Only) - 2020-

Mandrel bending ensures constant radius bends for optimised gasflow, and bore diameters are carefully enlarged over stock to ensure ultimate without the loss of mid-range torque. All of the Milltek exhaust systems endure a comprehensive acoustic development process to deliver a tone that is sporty and crisp, without ever inducing NVH, drone or cabin resonance.