Rev9 FlowMAXX axle back exhaust will give your BMW 440i / 440i (F30/F32) 17-21 race-proven performance as well as deep performance car exhaust note.

• SUS304 Stainless Steel Construction with 16 Gauge Piping
• Offers Minimal Flow Restriction with Deep, Rich Performance Sound
• Installation Hardware Included for Simple Installation
• Satin Finished Carbon Fiber Composite Exhaust Tip Sleeve
• Pipe Size O.D.: 2.5"
• Exhaust Tip size : 3.5"
• Installation requires cutting the factory exhaust near a factory break point.

note: will fit xdrive /
note:  will fit both left and right hand drive vehicle