Wagner Tuning BMW F-Series N20 Catless Downpipe Kit
Unleash the true potential of your BMW N20 engine (from 10/2012) with our state-of-the-art downpipe without catalytic converter. Designed to provide a breathtaking driving experience, this downpipe is the epitome of precision manufacturing and superior craftsmanship.
Technical Features at a Glance:
- Optimized Diameter (76 mm): Designed with a 76 mm diameter for optimal exhaust flow and maximum power gains.
- High Quality Stainless Steel (1.4301 – SS304): Manufactured from high quality stainless steel for unsurpassed durability and corrosion resistance.
- CAD Design: Precision engineered using the latest CAD technology to ensure a perfect fit and seamless integration.
- Two Lambda Sensor Connections: Equipped with two lambda sensor connections for improved compatibility and functionality.
- Design Without Main Catalytic Converter: Designed without main catalytic converter to minimize exhaust resistance and maximize performance.
- 100% Fit: Designed to seamlessly replace the OEM part for hassle-free installation and compatibility.
- Reduced Thermal Stress: Designed to minimize thermal stress on the turbocharger for longevity and reliability.
- Improved Performance: Experience a significant increase in power and torque thanks to optimised exhaust gas flow and reduced back pressure.
- Connection Diameter (105 mm): With a connection diameter of 105 mm for improved exhaust flow and performance.
Turn your BMW N20 engine (from 10/2012) into a performance machine with our advanced downpipe without catalytic converter. Feel the power boost.
Compatibility:
- BMW 125i F20 / F21
- BMW 220i F22 / F23
- BMW 228i F22 / F23
- BMW 320i (x) F30 / F31 / F34
- BMW 328i (x) F30 / F31 / F34
- BMW 420i (x) F32 / F33
- BMW 428i (x) F32 / F33 / F36
Replaces original BMW part number: 18327645666 (from 10/2012).
Note: The software data should be adjusted to avoid error codes in the DME. Not approved for use on public roads.
Part number: 500001016
Disclaimer for Catalytic Converters:
It should be noted that Wagner Tuning catalytic converters are intended for use on OEM vehicles for performance optimisation. They are NOT intended for use in conjunction with an ECU tune. Wagner Tuning GmbH & Co. Kg. assumes no responsibility for damage caused by modifications to a vehicle, such as a tuned ECU and/or deactivating the overrun fuel cut-off. Wagner Tuning GmbH & Co. Kg. is also not responsible for damage caused by engine malfunctions that create rich/lean conditions harmful to the catalytic converter. For all claims regarding a catalytic converter, a warranty inspection will be conducted. To fulfil a warranty, Wagner Tuning GmbH & Co. Kg. requires proof from the buyer that the engine was unmodified and maintained in proper working condition according to the original manufacturer’s specifications.
The end user assumes all responsibility for the legality of the use of a non-OEM catalytic converter on their vehicle for the region in which it is used.





