




Description
Take the Performance of your Audi S4 B9 or S5 F5 3,0TFSI to a new level with our downpipe Kit equipped with a state of the art 300CPSI Racing catalytic converter.
Technical features:
Manufactured from high quality cast stainless steel 1.4301 (SS304) For unsurpassed durability and Performance
Complete with 2x ?3 and Adapter to original AGA For easy integration
CAD-designed and flow-optimized to maximize exhaust flow and increase Performance
Equipped with a lambda probe Connection at the OEM position For precise exhaust measurements
Racing metal catalytic converter (300 CPSI EU6 coating) For optimum exhaust gas purification and Performance optimization
100% accuracy of fit, enables easy replacement with the standard part
Reduces the thermal load on the Turbocharger and increases the service life
Noticeable increase in Performance due to back pressure reduction, resulting in a significant increase in torque
Maximum Performance. Incomparable driving experience:
Our downpipe Kit with 300CPSI Racing catalytic converter For the Audi S4 B9 / S5 F5 3.0TFSI offers the perfect combination of quality, Performance and reliability. Experience improved vehicle Performance and an impressive driving experience on the road and on the race track.
State-of-the-art technology, superior Performance:
Discover the future of emission control and Performance optimization with our innovative downpipe Kit, designed For enthusiasts who want to get the best out of their Audi.
Wagner Tuning downpipe Kit 300CPSI EU6 For Audi S4 B9 3.0TFSI
Part number 500001031
*Error display in the DME possible.

.jpg)
Catalytic Converter Disclaimer
It is to be noted that Wagner Tuning catalytic converters are intended to be used on OEM vehicles to optimize Performance. They are NOT intended to be used in conjunction with an ECU tune. Wagner Tuning Inc. assumes no responsibility For damages caused by modifications made to a vehicle such as, a tuned ECU and/or 'burble' style tunes. Wagner Tuning Inc. is also not responsible For damages caused by engine malfunctions creating rich/lean conditions that are detrimental to the catalyst. A warranty Audit will be perFormed on any claim regarding a catalytic converter. In order For a warranty to be honored, Wagner Tuning Inc. will require the purchaser to provide proof that the engine was unaltered and tuned to the original manufacturer's specifications and maintained in proper operating condition. The end user assumes all responsibility regarding the legality of use of a non-OEM catalytic converter on their vehicle For the region in which it is used.
Warranty
Our warranty terms are based on each manufacturer’s guidelines. Depending on the specific manufacturer, customers may be eligible to process warranty claims either directly with the manufacturer or through us. For detailed information or assistance with warranty inquiries, please contact our support team.
Shipping & Returns
Shipping time will be provided once your order has been processed. Please note that shipping options cannot be changed after your order has been placed.
For returns, kindly contact our support team for guidance. We'll walk you through the process and ensure everything goes smoothly.
Frequently Asked Questions
OEM (Original Equipment Manufacturer) parts are made by the vehicle’s original manufacturer and guarantee perfect fit and performance. Aftermarket parts are produced by third-party companies and may offer enhanced performance or cost savings, but compatibility should always be verified before purchase.
Yes, we work with a network of certified and approved workshops to ensure professional installation of your performance parts. Get in touch with us to find a recommended installer near you.
Yes, but it’s important to ensure they work together without causing performance issues. Some aftermarket parts are designed to complement OEM components, while others may require full system upgrades.
Yes, once your order is shipped, a tracking number will be emailed to you.
Orders can only be modified or canceled before they are processed. Please reach out to us as soon as possible.
If you're not completely satisfied with your purchase, you may return it within 7 days of receiving your order for a full refund, excluding delivery costs. Please note that this policy does not apply to special order parts. To qualify for a refund, items must be unused and returned in their original packaging.