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4T with our premium Valved Sport Exhaust System
Featuring a direct bolt-on design and remote valve control
Switch to valve-closed mode anytime for a refined
Feature Value Fit for BMW G8x M2/M3/M4 3
Feature Value Fit for Audi B9 S4/S5 3
Valvetronic Catback Exhaust System for Audi RS3 8V Tips Selection:Carbon tips 4T with our premium ValvedUpgrade your Audi RS3 8V 2. 5T with our premium Valvetronic Catback Exhaust System designed to deliver the perfect balance between Performance and daily comfort. With the valves open, experience a deep, unlocking the true character of the EA855 Engine. Switch to valve closed mode anytime for a refined, quiet ride suitable for everyday driving. Engineered for improved throttle response and optimized exhaust flow, this system enhances both sound and