MAD BMW S55 F80 M3 / F82 F83 M4 Single Midpipe

Unlock the sound and performance potential of your BMW M3 or M4 with the MAD S55 Single Midpipe. Designed to improve exhaust flow by eliminating the restrictive factory midpipe configuration, the MAD single midpipe helps reduce backpressure while delivering a deeper, more aggressive exhaust note.

With smooth bends and an optimized exhaust path, this design promotes improved exhaust flow without introducing unwanted drone. Whether you're running stock turbos or an upgraded turbo setup, the MAD S55 Single Midpipe is built to support your performance goals.

Performance gains of up to 18 WHP and 30 WTQ are possible depending on vehicle configuration, modifications, and tuning.

Features & Benefits

Improved Exhaust Flow: Replaces the restrictive factory midpipe configuration to help reduce backpressure.
Increased Performance: Gains of up to 18 WHP and 30 WTQ on stock turbo applications.
Turbo Upgrade Friendly: Additional performance potential with upgraded turbochargers.
Smooth Pipe Transitions: Designed with smooth bends to promote efficient exhaust flow.
Drone-Free Design: Engineered to deliver an aggressive exhaust tone without unwanted cabin drone.
Precision Fitment: Direct-fit design for the specified BMW applications.
Exhaust Brace Included: Includes the required exhaust brace for proper support and hassle-free installation.
Lifetime Warranty: Lifetime warranty against manufacturing defects and fitment issues.
Fast Shipping: In-stock orders typically ship within 1–2 business days.