Borla 60679 S-Type Muffler for 2019-2026 Chevrolet Silverado 1500 and GMC Sierra 1500 6.2L V8

Replace the Polyphonic Harmonizer behind the primary muffler in the BORLA® ATAK® system with muffler 60679 to attain the S-Type sound level (quieter than ATAK®). 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. Designed to provide maximum flow & power. Precision computer numerical control (CNC) manufacturing ensures an accurate fit. Best of all, BORLA® stands behind every direct fit muffler with a Million-Mile Warranty. Just what you’d expect from the world’s most experienced (and most winning) exhaust brand. S-Type Muffler 2019-2026 Chevrolet Silverado 1500/ GMC Sierra 1500 6.2L V8 Automatic Transmission 2 & 4 Wheel Drive With Borla ATAK Cat-Back System. 2019-2026 Chevrolet Silverado 1500/ GMC Sierra 1500 6.2L V8 Automatic Transmission 2 & 4 Wheel Drive With BORLA® ATAK® Cat-Back™ System.

• Can be used in select Borla(r) GM truck ATAK(r) sound level systems to attain the S-Type sound level

Brief Description: The Borla 60679 S-Type Muffler is a direct-fit replacement for the polyphonic harmonizer located behind the primary muffler in select Borla ATAK® cat-back systems. It is designed for 2019-2026 Chevrolet Silverado 1500 and GMC Sierra 1500 trucks equipped with the 6.2L V8, automatic transmission, and two- or four-wheel drive. Installing this muffler changes the exhaust character to Borla’s S-Type sound level, providing a quieter alternative to the more aggressive ATAK® configuration.

Manufactured from premium T-304 stainless steel, the Borla 60679 is engineered for excellent corrosion resistance, long-term durability, and dependable performance. Its free-flowing design supports efficient exhaust flow and power potential, while precision computer numerical control manufacturing promotes accurate fitment within the compatible Borla system. This replacement muffler is intended for use with the specified Borla ATAK® cat-back application and is not a universal replacement for every exhaust system.

Borla backs the 60679 with its Million-Mile Warranty, reflecting the company’s focus on quality materials and durable exhaust construction. The muffler uses a 3.5-inch inlet/outlet configuration and is supplied as a single replacement component. Confirm your vehicle, drivetrain, engine, and existing Borla system before ordering. Applicable fitment includes select 2019-2026 Chevrolet Silverado 1500 and GMC Sierra 1500 models with the 6.2L V8, automatic transmission, and two- or four-wheel drive, when equipped with the compatible Borla ATAK® cat-back system.

What's Included

• One Borla 60679 S-Type replacement muffler

Features:

• S-Type Sound Level: Converts select Borla ATAK® GM truck systems to a quieter S-Type exhaust configuration.
• Premium T-304 Stainless Steel: Provides superior corrosion resistance and durability compared with lower-grade stainless steel alternatives.
• Free-Flowing Performance: Designed to promote efficient exhaust flow and support strong engine performance.
• Precision CNC Manufacturing: Computer-controlled production helps provide accurate fitment within the compatible Borla ATAK® cat-back system.

Fitments:
2019 Chevrolet Silverado 1500 High Country
2019 Chevrolet Silverado 1500 LTZ
2019 GMC Sierra 1500 AT4
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 AT4
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 AT4
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 ZR2
2022 GMC Sierra 1500 AT4
2022 GMC Sierra 1500 AT4X
2022 GMC Sierra 1500 Denali
2022 GMC Sierra 1500 Denali Ultimate
2022 GMC Sierra 1500 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 Chevrolet Silverado 1500 ZR2
2023 GMC Sierra 1500 AT4
2023 GMC Sierra 1500 AT4X
2023 GMC Sierra 1500 Denali
2023 GMC Sierra 1500 Denali Ultimate
2023 GMC Sierra 1500 SLT
2024 Chevrolet Silverado 1500 High Country
2024 Chevrolet Silverado 1500 LT Trail Boss
2024 Chevrolet Silverado 1500 LTZ
2024 Chevrolet Silverado 1500 RST
2024 Chevrolet Silverado 1500 ZR2
2024 GMC Sierra 1500 AT4
2024 GMC Sierra 1500 AT4X
2024 GMC Sierra 1500 Denali
2024 GMC Sierra 1500 Denali Ultimate
2024 GMC Sierra 1500 SLT
2025 Chevrolet Silverado 1500 High Country
2025 Chevrolet Silverado 1500 LT Trail Boss
2025 Chevrolet Silverado 1500 LTZ
2025 Chevrolet Silverado 1500 RST
2025 Chevrolet Silverado 1500 ZR2
2025 GMC Sierra 1500 AT4
2025 GMC Sierra 1500 AT4X
2025 GMC Sierra 1500 Denali
2025 GMC Sierra 1500 Denali Ultimate
2025 GMC Sierra 1500 SLT
2026 Chevrolet Silverado 1500 High Country
2026 Chevrolet Silverado 1500 LT Trail Boss
2026 Chevrolet Silverado 1500 LTZ
2026 Chevrolet Silverado 1500 RST
2026 Chevrolet Silverado 1500 ZR2
2026 GMC Sierra 1500 AT4
2026 GMC Sierra 1500 AT4X
2026 GMC Sierra 1500 Denali
2026 GMC Sierra 1500 Denali Ultimate
2026 GMC Sierra 1500 SLT

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1