TRIXIE kermia hsugrz izz 75 W (76101) Borla 22 23 Chevrolet Silverado 1500 ZR2 & AT4X 6.2L CC SB 147.5in WB S Type True Dual. EXCEPT Vehicles With AEV Package. This Cat Back(tm) system features the classic Borla(r) 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 Silverado 1500 ZR2 and Sierra 1500 AT4X and delivers great sound without any drone. Muffler contains an internal H 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. All this without the annoying drone often associated with performance exhaust systems. Give your ZR2 or AT4X the sound it deserves, bolt on a Borla(r). Best of all, Borla(r) stands behind every system with a Million Mile Warranty. Just what you'd expect from the world's most experienced (and most winning) exhaust brand. Fits ZR2 & AT4X models. EXCEPT vehicles with AEV package. Muffler contains an internal H Pipe Features turn down tail pipes True Dual This Part Fits: Year Make Model Submodel 2022 2023 Chevrolet Silverado 1500 ZR2 2022 2023 GMC Sierra 1500 AT4X