This SwitchPath cat-back exhaust system for 2021-2027 BMW M3 and M4 3.0L models finishes in quad diamond black tips. With the valves closed it gives a full, refined howl and near-stock cabin acoustics, while open valves in Sport+ add volume and burbles, with the X-pipe keeping rasp in check.

AWE 3025-42480 Cat-Back Exhaust System Features:

• Fits 2021-2027 BMW M3 and M4 with the 3.0L engine
• Dual 3 in. T304L stainless steel tubing begins after the factory mid pipe
• X-pipe tuned for the S58 for a smooth, deeper sound
• Valved muffler incorporates 180 Technology to prevent cruising drone
• Keeps factory valve behavior through the stock drive modes
• Up to 3 hp and 5 lb-ft of torque at the wheels
• Quad 4.5 in. double-walled, slash-cut tips in diamond black
• Compatible with stock and M Performance valances
• Ball-socket mounting points for straightforward installation
• Pairs with optional non-resonated performance mid pipes, sold separately