Cat-less Racing Downpipe, Genuine BMW - M235i/M240i Racing
Zero restriction downpipes are lighter and make more power for the track. Genuine Motorsport part under BMW part #18118416013
This is a replacement cat-less racing downpipe for the M235i/M240i Racing model and a Genuine BMW Motorsport part. The M235iR/M240iR uses this zero-restriction downpipe does not have a catalytic converter, which can block and restrict exhaust flow. This makes the turbo more efficient, lasts longer, and the turbo can spool up faster with better response - more boost is available sooner and with less lag.
This is a part that we buy directly from BMW Motorsport. It was originally designed by Motorsport engineers for competition use in the M235i/M240i Racing program. We cannot guarantee fitment on any other BMW model. As a part designed for competition use, it does not have a warranty. BMW Motorsport parts may sometimes be in short supply and orders are released at the discretion of BMW Motorsport. If a part is not in stock, contact us for the latest estimate on delivery time.
Notice of Fault Codes/Check Engine Light - Using any Racing downpipe could result in a check engine light and fault codes, even with sport cats. Although we have heard of cases where no check engine light appeared, these Racing downpipes are not designed to meet emissions testing and regulations. Race software that is specific to your mods is strongly advised to better adapt your car to a racing environment, keep the fault codes from appearing, optimize power gains, and improve general drivability. Our Epic Motorsports Race software is strongly encouraged to meet all of your tuning goals.
Notice of Emissions Non-Compliance. Removing, disabling, or altering emissions equipment on a pollution-controlled road vehicle is illegal. Installing devices or software that trick, disable, or modify emissions controls and monitors on a pollution-controlled road vehicle is also illegal. This product is sold only for racing, competition, track, or other off-road use. It's use is prohibited in any motor vehicle that is subject to emissions inspection or control. It is not legal for sale or use in California on any pollution-controlled motor vehicle.
F22 / F23 (2014+) > M235i-Racing
F22 / F23 (2014+) > M240i-Racing