Milltek Sport BMW M135i (F2X) Cat-Back Exhaust System Turbo Inlet elbow 2 mm bore for freer-flowing

2 mm bore for freer-flowing gas speed from the turbo

a trusted name in carbon composite panels

Aftermarket replacement - not a genuine BMW component

The finish and overall look complete the rear end with an assertive stance that suits both subtle and full aero builds

Made for the Audi RS4 Avant B9

Milltek Sport BMW M135i (F2X) Cat-Back Exhaust System Turbo Inlet elbow 2 mm bore for freer-flowingElevate your BMW M135i (F2X) with the Milltek Sport Cat Back Exhaust System, engineered for those who demand both performance and refinement. This precision crafted stainless steel system reduces back pressure to enhance throttle response and power delivery, whilst delivering a distinctly sportier exhaust note that complements your driving dynamics. Built for durability and corrosion resistance, it integrates seamlessly as a direct fit upgrade to your