The Axle-back system for the 2016-2018 Camaro SS & 2016-2018 Camaro ZL1 with the 6.2L V8 engine, is perfect for the person looking for a powerful and aggressive sound quality in Track mode, while maintaining a mellow tone during Stealth mode.á This kit features tandem Delta 40 and Outlaw mufflers and 4.00 inch polished stainless steel tips. Includes functional exhaust valves to work with the OE actuator motors to select between sound levels.á The exhaust system is manufactured with 409S stainless steel and is covered by The Lifetime Limited Warranty.á Designed for an easy fit on both coupe top and convertible models with the factory NPP option (Identified by quad tips). The system includes all necessary parts and hardware for installation. Note: The system is a clamp-on, however, OE system will require cutting to remove factory mufflers.