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Black ceramic finish for a modern performance look
Unlike a stamped x-pipe that is so common in the marketplace the Dinan 'X' is thoughtfully designed for maximum flow characteristics and by itself is a work of art
BMW has seen fit to give 230i/330i/430i owners an air box that looks uninspiring
78% more cooling surface area and volume than stock
Dinan Free Flow Axle-Back Exhaust - 2017-2021 BMW M240i Stainless Steel - Black Tips - F22/F23 suspenion Black ceramic finish for aStainless Steel Black Tips F22 F23 Dinan engineers designed the F22 F23 M240i exhaust to improve exhaust flow by reducing back pressure, resulting in increased power output and a great sporty sound that is civilized when you want it to be, and pleasantly aggressive under hard acceleration. Not only is the tone improved but the additional burbles and pops that come with it are simply intoxicating. Dinan also incorporates a Helmholtz chamber design that