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  See more parts for BMW 335i
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Active Autowerke GESI Catted Downpipe for BMW N55 F3X M235i, 335i, 435i, F87 M2 2014-2024 - 11-040

Active Autowerke GESI Catted Downpipe for BMW N55

The Active Autowerke 11-040 downpipe is engineered specifically for BMW's N55 engine, found in the F-Chassis models including the M235i, 335i, 435i, and F87 M2 from 2014 to 2024. This downpipe addresses the limitations of the factory unit, which can restrict exhaust flow and hinder turbo response.

Performance Enhancements

By utilizing a 3.5-inch diameter stainless steel piping, the Active Autowerke downpipe significantly reduces back pressure, allowing for quicker turbo spool and improved power delivery. The design incorporates a 4.5-inch GESI high-flow catalytic converter that maintains catalytic efficiency without triggering a Check Engine Light (CEL), making it an ideal upgrade for performance-focused drivers.

Construction and Durability

Constructed entirely from 304 stainless steel with a 1.5mm wall thickness, this downpipe is built to withstand the rigors of high-performance applications. The GESI catalytic converter features a robust substrate that is furnace-braised to the mantle, ensuring exceptional durability and longevity.

Key Features

  • 3.5-inch piping for optimal exhaust flow
  • 4.5-inch GESI high-flow catalytic converter
  • No CEL when installed, compliant with EPA regulations
  • Designed for easy installation with no cutting or welding required
  • Rated for engines producing 500 to 850 horsepower
  • Can withstand temperatures up to 1500°F
  • Fits OEM locations with minimal bends for straightforward installation
  • 5 Year / 50,000 Mile Warranty on shell and tube ends
  • 2 Year / 25,000 Mile Warranty on the catalytic core

Fitment

  • BMW N55 F3X M235i (2014-2024)
  • BMW N55 F3X 335i (2014-2024)
  • BMW N55 F3X 435i (2014-2024)
  • BMW F87 M2 (2014-2024)

This downpipe is designed for those looking to enhance their BMW N55's performance while maintaining compliance with emissions regulations. The Active Autowerke 11-040 downpipe is a reliable solution for maximizing your engine's potential without sacrificing drivability.

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle Make/Model
BMW 335i 2014-2015 Base
BMW 335i 2014-2015 Modern
BMW 335i 2014-2015 Luxury
BMW 335i 2014-2015 Sport
BMW 335i 2014-2015 M Sport
BMW 335i GT xDrive 2014-2016 Base
BMW 335i xDrive 2014-2015 Base
BMW 435i 2014-2016 Base
BMW 435i 2014-2016 M Sport
BMW 435i Gran Coupe 2015-2016 M Sport
BMW 435i Gran Coupe 2015-2016 Base
BMW 435i xDrive 2014-2016 Base
BMW 435i xDrive Gran Coupe 2015-2016 Base
BMW M2 2016-2018 Base
BMW M2 2017 Coupe
Many rave reviews and magazine articles have been written about Active Autowerkes, and these kits and their many successors since have become well known for their durability, clever bolt-on engineering, affordable pricing – and their ability to breathe fire into the everyday BMW and its owner. No longer a brand known just around Florida, today's Active Autowerke is known worldwide for its line of flawlessly engineered and manufactured performance parts for the entire Beemer.

As new models and challenges continue to be born, Active Autowerke continues to invent – and deliver – world class, new ideas and innovations that make them run better.

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