Take Your Driving Experience To New Heights: Titanium Cat-Back Valved Exhaust for Audi R8 (2021 ) Experience unrivaled power and performance with our titanium cat-back valved exhaust system for Audi R8 (2021 ). This straight pipe system, equipped with valves, takes your driving experience to new heights. To ensure the highest level of quality and attention to detail, a production timeframe of approximately 4 weeks is required, followed by an additional 2 weeks for delivery