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Akrapovic Race Catless Downpipe BMW F87 M2 (N55)

Akrapovic

SKU: DP-BM/SS/4


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Collections: BMW, F87 M2, F87 M2 Exhausts


Product Description

The Akrapovic catless racing downpipe for the N55 engine used in the BMW F87 M2 eliminates the stock catalytic converter for unimpeded flow. The Akrapovic M2 downpipe is made from 304 grade stainless steel and mandrel-bent piping. It is a direct fit replacement for the stock downpipe, even re-using the original V-Band flange connection. Brackets and O2 sensor bungs are also stainless and TIG welded. The O2 bung is in the factory location. Piping diameters and shapes have been carefully engineered to minimize turbulence and backpressure.

The factory catalytic converter is very restrictive which robs a lot of horsepower and torque but works great for cleaning the exhaust gases. However, a track/racing car no longer needs the catalytic converter so removing it makes sense. By deleting the cat the turbo can spin more freely and with less strain. This not only makes more power and torque but helps the turbo last longer. Removing the cat also saves weight and eliminates the possibility of the catalytic honeycomb material breaking down and causing a total blockage.

Race software from Epic Motorsports is strongly recommended with this cat-less downpipe. Additional power and torque gains are realized with our software over only using the downpipe. The Epic race software will also eliminate fault codes and check engine lights that come from using this downpipe with stock software (helping to pass post-race tech inspection).

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, hobby, or other off-road use. It's use is prohibited in any motor vehicle that is subject to emissions inspection or control. Legal in California only for racing vehicles that may never be used, or registered or licensed for use, upon a highway.


FITMENT:
BMW F87 M2 (N55)

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