MAD BMW S58 4" Fat Boy Single Midpipe M3 M4 G80 G82

The MAD 4" "Fat Boy" single midpipe for the G8X M3/M4 keeps a full-length 4" center section for maximum flow, giving a deeper, more refined exhaust note with less rasp.

Specifications

• Full-length single 4" center section, minimum 3" diameter throughout
• Works with stock or aftermarket downpipes
• Includes MAD extended chassis brace
• Includes 3" and 2.75" reducer couplers for factory or aftermarket axle-backs
• Uses the factory cut point and clamps for a reversible install
• Downpipe gaskets not included (BMW 18308053348, qty 2 required)
• Part number: MAD-124

This product fits the following vehicles:

• 2021+ BMW M3 (G80)
• 2021+ BMW M4 (G82 / G83)

Speed Factor Vancouver

Contact us to confirm stock and book tire mounting, balancing and installation.