MAD N55 Downpipe V2 BMW M135 M235 M2 335 435 4.0"

MAD N55 Downpipe V2 BMW M135 M235 M2 335 435 4.0"Upgrade from the stock N55 downpipe to the MAD N55 catless downpipe for maximum airflow, power, and sound! Upgrade to the MAD BMW N55 downpipe to eliminate the backpressure caused by your stock catalytic converters. By upgrading to our downpipe, your turbo can now spool faster and achieve maximum power. As a bonus, your car will sound a lot nicer as well. Expect up to a 30HP increase on a tuned BMW N55 with stock turbo, even more on cars with upgraded

With canDO+

Bosch B58TU pump

By replacing the restrictive stock catalytic converters

MAD products are synonymous with exceptional quality and durability

Xdf definition files configure the user interface

KCDsign focuses on European cars and resolves handling issues with upgraded swaybars

Enhance the visual impact of your G30 LCI with the Kies Motorsports Front Lip Splitter designed specifically for base bumpers

Programming Connection Type:  MiniUSB - USB A cable (Included in the box)

this G30 M5 style rear bumper conversion is an effective way to perform the transformation without having to spend an arm-and-a-leg

They feature a mandrel-bent design with smooth curves

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more resonant tone