Unleash the power: downpipe without catalytic converter for BMW N55 engine (from 7/2013) With our downpipe without catalytic converter for the BMW N55 engine (from 7/2013) BMW, you will experience a revolution in terms of power and performance. Developed from high-quality stainless steel 1.4301 (SS304) and with precise CAD optimization, this downpipe offers a tailor-made solution for demanding drivers. Product features at a glance: Diameter of 76mm: A generous diameter ensures optimized gas flow and improved performance. CAD-designed: Every detail is designed using the latest CAD technology to ensure optimum performance and fit. Two lambda sensor connections: For precise tuning and monitoring of engine operation. Without main catalytic converter: Provides maximum performance freedom and flexibility for individual performance adjustments. Connection diameter 118mm: A generous opening for optimized gas flow and improved performance. 100% perfect fit: Easy replacement with the standard part, no additional adjustments required. Less thermal load on the turbocharger: Reduces heat development and promotes the service life of your turbocharger. More power through back pressure reduction: Improves engine performance and provides a more intense driving experience. Significantly more torque: Feel the power and acceleration that your vehicle really deserves. With our downpipe without catalytic converter for BMW N55 engine (from 7/2013) you can take the performance of your vehicle to a new level. Enjoy the power, control and driving experience you've always wanted. The downpipe kit is suitable for the following vehicles: BMW M135i(x) F20 / F21 from year of manufacture: 07/2013 BMW M235i(x) F22 BMW M2 F87 N55 (not suitable for the Competition version) BMW 335i(x) F30 / F31 / F34 from year of manufacture: 07/2013 BMW 435i(x) F32 / F33 from year of manufacture: 07/2013 *replaces original BMW part number: 18328602882 Part number 500001017 ECU will need to be coded to avoid engine management light errors. Disclaimer for catalytic converters Please note that Wagner Tuning catalytic converters are intended for use on OEM vehicles for performance optimization. They are NOT intended for use in conjunction with ECU tuning. Wagner Tuning GmbH & Co. Kg. accepts no responsibility for damage caused by modifications to a vehicle, such as a tuned ECU and/or deactivation of the boost cut-off. Wagner Tuning GmbH & Co. Kg. is also not responsible for damage caused by engine malfunctions that create rich/lean conditions that are detrimental to the catalytic converter. All claims regarding a catalytic converter are subject to a warranty check. In order for a warranty to be honored, Wagner Tuning GmbH & Co. Kg. requires the purchaser to prove that the engine has been set up unchanged and in accordance with the original manufacturer's specifications and has been kept in proper working order. 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.