ARM 340i/440i/M240i Single Exit Exhaust Dinan x4 m lowering springs or carbon tips to match

or carbon tips to match the look you want

New transparent oil catch can base now available as an option or is sold separately as an upgrade here

ETA: August 2026

often leading to oil leaks

engineered to remove the restrictions caused by the factory secondary catalytic converters

ARM 340i/440i/M240i Single Exit Exhaust Dinan x4 m lowering springs or carbon tips to matchHIGHLIGHTS Exotic Exhaust Note Shave 20+lbs Off From OEM Full Straight Pipe Exhaust Zero Cutting Required Fits OEM, and OEM fitment Diffusers PROFILE The ARM M240i Single Exit Exhaust is the final step in your M240i exhaust modifications. This is for the all in M240i enthusiast, seeking the lightest and loudest exhaust available. You will see significant weight savings and an engine note that SCREAMS. The ARM M240i Single Exit Exhaust connects to the