Fi EXHAUST Valvetronic Exhaust System for B9.5 Audi RS4 Avant & RS5 Capristo Valved Exhaust System with Mid Pipes and CES3 for Audi RS Q8 ECS News NEW ECS B9 RS5 Downpipes & Valved Exhaust System ECS News NEW ECS B9 RS5 Downpipes & Valved Exhaust System VR Performance Audi RS5 B9 Stainless Valvetronic Exhaust System with. 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