Borla Polyphonic Harmonizer 60680 for Chevrolet Silverado & GMC Sierra 1500 6.2L V8 - ATAK Sound Level Enhancement

Replace the small muffler behind the primary muffler in the BORLA® S-Type system with Polyphonic Harmonizer 60680 to attain the ATAK® sound level (louder than S-Type). BORLA®'S Polyphonic Harmonizer Technology utilizes patented units that contain pipes of different diameters and lengths to create multiple exhaust notes that harmonize to deliver a clean, rich, full-bodied sound to the BORLA® mufflers. The mufflers then enhance this sound to the character and volume appropriate for our Touring, S-Type and ATAK® systems. Built from premium T-304 stainless steel, superior to T-400 series (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® stands behind every Polyphonic Harmonizer with a Million-Mile Warranty. Just what you'd expect from the world's most experienced (and most winning) exhaust brand. ATAK® Polyphonic Harmonizer 2019-2026 Chevrolet Silverado 1500/ GMC Sierra 1500 6.2L V8 Automatic Transmission 2 & 4 Wheel Drive With Borla® "S-TYPE" Cat-Back™ System 2019-2026 Chevrolet Silverado 1500/ GMC Sierra 1500 6.2L V8 Automatic Transmission 2 & 4 Wheel Drive With BORLA® "S-TYPE" Cat-Back™ System.

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

Upgrade your Borla S-Type exhaust system with the Borla Polyphonic Harmonizer 60680, designed specifically for 2019-2021 Chevrolet Silverado 1500 and GMC Sierra 1500 models equipped with the 6.2L V8 engine. Crafted from premium T-304 stainless steel, this harmonizer features ultra-smooth mandrel bends that optimize exhaust flow and enhance overall performance. The patented Polyphonic Harmonizer technology incorporates pipes of varying diameters and lengths, producing multiple harmonized exhaust notes that deliver a clean yet aggressive ATAK® sound level, louder than the standard S-Type system. This technology ensures a full-bodied, rich exhaust tone that elevates your vehicle's sound profile without compromising durability or quality. The harmonizer is engineered with precision CNC manufacturing for an exact fit, making installation straightforward and reliable. Backed by Borla’s Million-Mile Warranty, this component guarantees long-term performance and exceptional sound quality. Whether you're aiming for a more aggressive exhaust note or seeking to attain the ATAK® sound level, this harmonizer is an essential upgrade for your truck’s exhaust system.

Features:

• Designed for use with select Borla GM truck S-Type sound level systems to achieve ATAK® sound

• Utilizes patented Polyphonic Harmonizer technology with pipes of different diameters and lengths

• Constructed from durable T-304 stainless steel for improved corrosion resistance and longevity

• Precision CNC manufacturing ensures an accurate and seamless fit

• Enhances exhaust sound to deliver a rich, full-bodied ATAK® tone with increased volume

Fitment:
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 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 AT4
2022 GMC Sierra 1500 Denali
2022 GMC Sierra 1500 SLT
2022 GMC Sierra 1500 Limited AT4
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 Chevrolet Silverado 1500 ZR2
2023 GMC Sierra 1500 AT4
2023 GMC Sierra 1500 Denali
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

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