EXCEPT ZR2 & AT4X models. Factory Split Rear Exit vehicles ONLY. Tips NOT included, reuse factory tips. Add Adapter 60706 for Crew Cab with Standard Bed (6' 7") 157" Wheelbase vehicles. Replace the small muffler behind the primary muffler in the Borla(r) "S-Type" system with Polyphonic Harmonizer 60680 to attain the "ATAK(r)" sound level (louder than "S-Type"). Optional "True Dual" Cat-Back(tm) system available, see the Related Parts section. Borla(r) Cat-Back(tm) and Axle-Back exhaust systems feature patented straight-through and multi-core technology designed to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive Borla(r) Sound of Power respected by motoring enthusiasts everywhere. Each system is built from premium T-304 stainless steel, superior to T-400 series knockoffs (such as 409), to give you the absolute best in performance and durability. Ultra-smooth mandrel bends ensure maximum flow & power, and precision computer numerical control (CNC) manufacturing ensures an accurate fit. 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.
S-Type Cat-Back(tm) Exh. Sys. 2019-2023 Chevrolet Silverado 1500/ GMC Sierra 1500 (EXCEPT ZR2 & AT4X) 6.2L V8 Auto. Trans. 2 & 4WD Ext. Cab With Standard Bed (6' 7") 147.7" WB/ Crew Cab With Short Bed (5' 9") 147.7" WB. Reuse Factory Tips.
2019-2023 Chevrolet Silverado 1500/ GMC Sierra 1500 (EXCEPT ZR2 & AT4X) 6.2L V8 Auto. Trans. 2 & 4WD Ext. Cab With Std. Bed (6' 7") 147.4" WB/ Crew Cab With Short Bed (5' 9") 147.4" WB. Factory Split Rear Exit Vehicles ONLY. Tips NOT Included, Reuse Factory Tips. Add Adapter 60706 For Crew Cab With Std. Bed (6' 7") 157" WB.

Fitment:
2019 Chevrolet Silverado 1500 High Country
2019 Chevrolet Silverado 1500 LTZ
2019 GMC Sierra 1500 Denali
2019 GMC Sierra 1500 SLT
2020 Chevrolet Silverado 1500 Custom Trail Boss
2020 Chevrolet Silverado 1500 High Country
2020 Chevrolet Silverado 1500 LT Trail Boss
2020 Chevrolet Silverado 1500 LTZ
2020 Chevrolet Silverado 1500 RST
2020 GMC Sierra 1500 Denali
2020 GMC Sierra 1500 SLT
2021 Chevrolet Silverado 1500 Custom Trail Boss
2021 Chevrolet Silverado 1500 High Country
2021 Chevrolet Silverado 1500 LT Trail Boss
2021 Chevrolet Silverado 1500 LTZ
2021 Chevrolet Silverado 1500 RST
2021 GMC Sierra 1500 Denali
2021 GMC Sierra 1500 SLT
2022 Chevrolet Silverado 1500 High Country
2022 Chevrolet Silverado 1500 LT Trail Boss
2022 Chevrolet Silverado 1500 LTZ
2022 Chevrolet Silverado 1500 RST
2022 Chevrolet Silverado 1500 LTD Custom Trail Boss
2022 Chevrolet Silverado 1500 LTD High Country
2022 Chevrolet Silverado 1500 LTD LT Trail Boss
2022 Chevrolet Silverado 1500 LTD LTZ
2022 Chevrolet Silverado 1500 LTD RST
2022 GMC Sierra 1500 Denali
2022 GMC Sierra 1500 SLT
2022 GMC Sierra 1500 Limited Denali
2022 GMC Sierra 1500 Limited SLT
2023 Chevrolet Silverado 1500 High Country
2023 Chevrolet Silverado 1500 LT Trail Boss
2023 Chevrolet Silverado 1500 LTZ
2023 Chevrolet Silverado 1500 RST
2023 GMC Sierra 1500 Denali
2023 GMC Sierra 1500 SLT