2024-2025 Chevrolet Silverado 1500 ZR2/ GMC Sierra 1500 AT4X 6.2L V8 Automatic Transmission 4 Wheel Drive Crew Cab With Short Bed (5' 9") 147.4" Wheelbase. EXCEPT Vehicles With AEV Package. BORLA® System Is "True Dual" Design With Turn Down Tail Pipes. Installation REQUIRES Cutting The Original Equipment System. BORLA® System Has A Valve Simulator.


Fits ZR2 & AT4X models. EXCEPT vehicles with AEV package. This BORLA® system has a valve simulator to prevent the Check Engine Light from coming on. It was designed specifically for the 6.2L Silverado ZR2 and Sierra AT4X. This Cat-Back™ system features the classic BORLA® "S-Type" sound level and 2.75" turn down tail pipes. It features a True Dual design which is unique in the industry. Installation REQUIRES cutting the factory Y-Pipe. It was designed specifically for the 6.2L Silverado ZR2 and Sierra AT4X and delivers great sound without any drone. Muffler contains an internal X-Pipe for increased performance and improved sound. It is built with premium, high-quality austenitic T-304 stainless steel using computer numerical control (CNC) manufacturing techniques that ensures accurate fit and maximum performance.

Link to instructions