Audi RS5 B9 Valved Stainless Steel Exhaust by CenCal Performance and Audi RS5 (B8) 4.2 FSI TNEER Exhaust System with TACS Eldens Autobahn RS5 SS 304 exhaust catback with vacuum valve for Audi RS4 RS5 B8 ECS News NEW ECS B9 RS5 Downpipes & Valved Exhaust System Capristo Valved Exhaust System with Mid Pipes and CES3 for Audi RS Q8. Demand the Best. Demand Capristo. Capristo Exhaust Systems are engineered and manufactured exclusively at our factory in Sundern, Germany, utilizing advanced 3D laser scanning, CAD design, digital prototyping, and CNC bending milling. Technical Highlights: 100% Made in Sundern, Germany Highest Grade T309 (1. 4828) Stainless Steel Proprietary Valves Manufactured by Capristo Patented Reinforced Design to Eliminate Resonance Manually TIG Welded by Capristo Craftsmen Hand Polished to a Mirror Finish Post Weld OEM Vacuum Pipes Directly Compatible w the CAPRISTO Valves Installation Guide