Corsa 21064 Sport Cat-Back Exhaust System (Reuses OEM Tips) for 15-24 Chrysler 300 & Dodge Charger 3.6L V6. CORSA's Patented RSC™ Technology delivers a drone-free, aggressive exhaust sound tailored to your vehicle, while the Valved Exhaust System lets drivers customize their experience with Dual-Mode NPP, enhancing performance without sacrificing power gains.