MAD BMW S58 4" Fat Boy Single Midpipe M3 M4 G80 G82 G83 F82 m4 steering wheel F23 (2 Series): Models with

F23 (2 Series): Models with N20 or N26 engines

How is that extra power made

this intake system provides your vehicle with the increased airflow it needs to maximize performance

By improving exhaust flow the ARM N55 Downpipe prepares your F-Series BMW for the higher boost tunes

3 – Billet Aluminum Coil Brackets in the color of choice

MAD BMW S58 4" Fat Boy Single Midpipe M3 M4 G80 G82 G83 F82 m4 steering wheel F23 (2 Series): Models withG8X M3 M4 4" FATBOY Midpipe Flow Is Everything Flow is everything and the new MAD 4" FATBOY Midpipe delivers exactly that. Designed specifically for the G8X M3 M4 platform, this midpipe is built to maximize performance and sound without compromise. Featuring a full length single 4" center section and a minimum pipe diameter of 3" throughout, the FATBOY Midpipe is all about maintaining optimal exhaust flow from front to back. Expect a deeper, more