Fabspeed Audi SQ8 Sport Catalytic Converters replace the restrictive factory cats with high-performance German-imported 200-cell HJS catalytic converters for significantly improved performance and sound. HJS Sport Cats are extremely efficient in terms of air flow, flowing at 93 - 95% the rate of a straight pipe. We use HJS catalysts to ensure durability and longevity for the life of the product while eliminating and chance of a check engine light. Fabspeed Motorsport invested a lot of time and resources into developing the best possible downpipes and we're now proud to offer you this latest and greatest solution. Audi is constantly updating and revolutionizing their vehicles and offering even better performance, and we're dedicated to doing the same.
Shipping costs for sending an ECU to Fabspeed is the responsibility of the purchaser. The ECU will be tuned within 24-48 hours of receiving it and Fabspeed will then ship back the ECU using whatever method it was shipped in with. (For example: If you send in your ECU via Ground shipping, we will ship it back via Ground. If you ship it via Overnight, we will ship it back via Overnight.)