Revolutionary downpipe kit for Audi TTRS 8S and RS3 8V facelift: Maximum performance optimization Experience ultimate performance with our state-of-the-art downpipe kit, specially developed for Audi TTRS 8S and RS3 8V facelift models. This kit offers a range of innovations to take your vehicle's performance to a new level. Technical data: High quality cast stainless steel 1.4301 (SS304) for optimum durability and corrosion resistance. Without pre-cat for maximum power and performance. Complete with 2x Ø70mm diameter for improved flow dynamics. CAD-designed and flow-optimized for maximum power delivery. Equipped with 2 lambda probe connections for precise exhaust gas measurements. 100% accuracy of fit for easy replacement with the standard part. Reduction of the thermal load on the turbocharger for a longer service life. Increased performance through back pressure reduction for an impressive driving experience. Compatible with the original aftercat pipes (not OPF). Optionally including aftercat pipes with 2x200CPSI racing catalytic converters (for OPF models, the exhaust system must be cut). Maximum performance, maximum driving experience: Our downpipe kit for Audi TTRS 8S and RS3 8V facelift not only offers improved performance, but also an incomparable driving experience. Experience the power and dynamics of your vehicle in a completely new way. Quality and innovation: With our downpipe kit, you can rely on quality and innovation. Discover the ultimate combination of performance, efficiency and reliability for your Audi. Redesign your ride and experience the true power of your Audi TTRS 8S or RS3 8V Facelift. Part number: 500001028 *customizations necessary for vehicles with OPF Disclaimer for catalytic converters It should be noted 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 'burble' style tunes. 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.