MAD BMW S58 4" Fatboy Single Midpipe for G80 M3 & G82/G83 M4

MAD BMW S58 4" Fatboy Single Midpipe for G80 M3 & G82/G83 M4Let the S58 sound like it should. The MAD 4" Fatboy Single Midpipe replaces the restrictive factory dual midsection on the G80 M3 and G82 G83 M4 with a high flow, single 4 inch pipe. By simplifying the exhaust path and increasing diameter, this midpipe sharpens throttle response, deepens tone, and helps the turbos move air more efficiently without adding harsh rasp. Key Features 4" Single Pipe Design Large diameter midsection reduces backpressure and

Reuse OEM fog lamps or air ducting depending on the chosen version

bringing European exclusivity to your E9X

and an aggressive finish that enhances every curve of your BMW

Exhaust modifications may not be legal for use on public roads in all regions

JGMODS Dry Carbon Fiber Mirror Covers offer authentic motorsport design

Cohesive Styling — Complements carbon diffusers and side skirts for a full package

OEM+ Finish — Delivers a clean

Perfect Fitment — Direct swap for the stock bumper with no modifications

they enhance the look under the hood with OEM-quality fitment

and paint/clear coat options if desired

this system refines the tone

Matte UV-Protected Finish — Showcases the natural carbon texture while preventing fading and discoloration