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Ships within 48 hours · Estimated delivery Oct 9 - Oct 14
89mm (5/16") male quick connect
lightweight Dry Carbon Fiber in a sleek 2x2 weave pattern
Engine Compatibility: All N54 and N55 engines
Fuel Compatibility: Compatible with all fuel types including E85
MAD BMW S58 4" Fat Boy Single Midpipe M3 M4 G80 G82 - MAD-124 bmw m4 front bumper conversion 89mm (5/16") male quick connectFlow is everythingand the MAD 4" FAT BOY Midpipe is engineered to maximize exhaust performance for the G8X M3 M4 platform. With a full length 4 inch center section and a minimum 3 inch diameter throughout, this midpipe is all about uncompromising airflow and aggressive sound enhancements. Expect a deeper, more refined exhaust tone with significantly less rasp, even when paired with aftermarket downpipes. Whether youre on the track or cruising the
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