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Upgrade your BMW 135i, 335i, or 435i with our high-quality stainless steel downpipe, designed for N55 single turbo engines. This aftermarket OEM replacement is intended for off-road, race/competition use only and will not fit BMW 135i & 335i built before August 2013 or N54 twin turbo engines.
Our 100% brand new downpipe is made of stainless steel and TIG welded for maximum durability. It features a 4" V-band downpipe diameter tapered design to increase velocity and gain 15HP, while eliminating the OEM catalytic converter for maximum exhaust flow.
This direct bolt-on downpipe fits all factory O2 sensors and comes with 2 x O2 sensor bung ports, exactly the same as the picture shown. Upgrade your BMW 135i, 335i, or 435i today with this high-quality downpipe for improved performance and sound.
Application:
BMW 135i 2013/08 Base Convertible/Coupe 2D 3.0T
BMW 135i 2013/08 M Sport Coupe 2D 3.0T
BMW 335i 2013/08 Base Convertible/Coupe 2D 3.0T
BMW 335i 2013/08-2015 Base Sedan 4D 3.0T
BMW 335i 2013/08-2015 M Sport Sedan 4D 3.0T
BMW 335i 2014-2015 Sport Sedan 4D 3.0T
BMW 335i 2014-2015 Modern Sport Sedan 4D 3.0T
BMW 335i 2014-2015 Luxury Sedan 4D 3.0T
BMW 435i 2014-2016 Base Convertible/Coupe 2D 3.0T
BMW 435i 2014-2016 M Sport Convertible/Coupe 2-Door 3.0T
Add great selection of Hangers into your order
Add O2 Oxygen Sensor Spacer below to your order 
Attention California Customers: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.
| Year | Maker | Model | Trim | Notes |
|---|---|---|---|---|
| 2016 | BMW | 435i | Base Convertible 2-Door | For N55 Single Turbo Engine Only |
| 2016 | BMW | 435i | Base Coupe 2-Door | For N55 Single Turbo Engine Only |
| 2016 | BMW | 435i | M Sport Convertible 2-Door | For N55 Single Turbo Engine Only |
| 2016 | BMW | 435i | M Sport Coupe 2-Door | For N55 Single Turbo Engine Only |
| 2015 | BMW | 335i | Base Sedan 4-Door | For N55 Single Turbo Engine Only |
| 2015 | BMW | 335i | Luxury Sedan 4-Door | For N55 Single Turbo Engine Only |
| 2015 | BMW | 335i | M Sport Sedan 4-Door | For N55 Single Turbo Engine Only |
| 2015 | BMW | 335i | Modern Sedan 4-Door | For N55 Single Turbo Engine Only |
| 2015 | BMW | 335i | Sport Sedan 4-Door | For N55 Single Turbo Engine Only |
| 2015 | BMW | 435i | Base Convertible 2-Door | For N55 Single Turbo Engine Only |
| 2015 | BMW | 435i | Base Coupe 2-Door | For N55 Single Turbo Engine Only |
| 2015 | BMW | 435i | M Sport Convertible 2-Door | For N55 Single Turbo Engine Only |
| 2015 | BMW | 435i | M Sport Coupe 2-Door | For N55 Single Turbo Engine Only |
| 2014 | BMW | 235i | Base Coupe 2-Door | For N55 Single Turbo Engine Only |
| 2014 | BMW | 335i | Base Sedan 4-Door | Built After August 2013 135i For N55 Single Turbo Engine Only |
| 2014 | BMW | 335i | Luxury Sedan 4-Door | Built After August 2013 135i |
| 2014 | BMW | 335i | M Sport Sedan 4-Door | Built After August 2013 135i |
| 2014 | BMW | 335i | Modern Sedan 4-Door | Built After August 2013 135i |
| 2014 | BMW | 335i | Sport Sedan 4-Door | Built After August 2013 135i |
| 2014 | BMW | 435i | Base Convertible 2-Door | For N55 Single Turbo Engine Only |
| 2014 | BMW | 435i | Base Coupe 2-Door | For N55 Single Turbo Engine Only |
| 2014 | BMW | 435i | M Sport Convertible 2-Door | For N55 Single Turbo Engine Only |
| 2014 | BMW | 435i | M Sport Coupe 2-Door | For N55 Single Turbo Engine Only |
| 2013 | BMW | 135i | Base Convertible 2-Door | For N55 Single Turbo Engine Only |
| 2013 | BMW | 135i | Base Coupe 2-Door | For N55 Single Turbo Engine Only |
| 2013 | BMW | 135i | M Sport Coupe 2-Door | For N55 Single Turbo Engine Only |
| 2013 | BMW | 335i | Base Convertible 2-Door | Built After August 2013 For N55 Single Turbo Engine Only |
| 2013 | BMW | 335i | Base Coupe 2-Door | Built After August 2013 |
| 2013 | BMW | 335i | Base Sedan 4-Door | Built After August 2013 |
| 2013 | BMW | 335i | M Sport Sedan 4-Door | Built After August 2013 |
