This BORLA(r) 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 2.75" diameter Cat-Back system features the classic 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 Original Equipment (O.E.) Y-Pipe. It was designed specifically for the 6.2L Silverado ZR2 and Sierra AT4X and delivers great sound without any drone. The 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. Give your ZR2 or AT4X the power, performace, and 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.

This Part Fits:

Year	Make	Model	Submodel
2024-2026	Chevrolet	Silverado 1500	ZR2
2024-2026	GMC	Sierra 1500	AT4X