Dinan Axleback Free Flow Exhaust System (F97 X3 M / F98 X4 M) Exhaust Tip Color:Black -100% carbon fiber

-100% carbon fiber

• Fits OEM and Aftermarket Mufflers

the catalysts will replace the resonators found in the the catless/resonated downpipes

"FOR OFFROAD USE ONLY"

Dinan Axleback Free Flow Exhaust System (F97 X3 M / F98 X4 M) Exhaust Tip Color:Black -100% carbon fiberDinan Axle Back Free Flow Exhaust System BMW F97 X3 M F98 X4 M Dinan Axle Back Free Flow Exhaust System BMW F97 X3 M F98 X4 M 2020 2022. Axle Back Free Flow for your BMW F97 X3 M & BMW F98 X4 M model. Dinan axle back exhaust for BMW X3 M & BMW X4 M. Perfect Axle Back exhaust symmetrical design, with the raw muffler. The "baby M's" of the 'X' family just got a bit more big brother like. With more volume and a deeper, more aggressive note courtesy of