Description
Enhance your Silverado 1500 or Sierra 1500 with the Borla 60680 Polyphonic Harmonizer, designed specifically for 2019-2025 models equipped with the Borla S-Type system. This premium component replaces the small muffler behind the primary muffler, allowing you to achieve the aggressive ATAK sound level that surpasses the standard S-Type exhaust. Incorporating Borla’s patented Polyphonic Harmonizer Technology, it contains pipes of varying diameters and lengths to produce multiple harmonized exhaust notes, resulting in a clean, full-bodied, and rich sound profile. This sophisticated technology ensures a more dynamic exhaust tone that enhances the character and volume of your vehicle’s sound, providing a distinctive auditory experience that stands out on the road. Built from durable T-304 stainless steel, the harmonizer offers superior corrosion resistance and longevity compared to T-400 series materials, ensuring reliable performance over time. The ultra-smooth mandrel bends within the unit maximize exhaust flow for improved power and efficiency, while CNC manufacturing guarantees precise fitting for seamless installation. Borla backs this harmonizer with a Million-Mile Warranty, exemplifying confidence in its durability and quality. Designed for use with select Borla S-Type systems on GM trucks, this harmonizer is an excellent upgrade for enthusiasts seeking a louder, more aggressive exhaust note aligned with the ATAK sound level. Whether you’re aiming for enhanced sound quality or a more commanding presence on the road, the Borla 60680 Polyphonic Harmonizer offers a high-performance solution that maintains excellent craftsmanship and reliability. This part is compatible with various 2019-2021 Chevrolet Silverado and GMC Sierra 1500 models with a 6.2L V8 engine and automatic transmission, and it does not require additional emissions certifications or extra freight handling fees.
Features:
- Designed to attain the ATAK sound level in select Borla S-Type systems
- Utilizes patented Polyphonic Harmonizer Technology with pipes of different diameters and lengths
- Constructed from premium T-304 stainless steel for durability and corrosion resistance
- s ultra-smooth mandrel bends for maximum exhaust flow and power
- Manufactured with CNC precision for an accurate fit and seamless installation
- Backed by Borla’s Million-Mile Warranty for long-term performance
Fitment:
Chevrolet Silverado 1500 Custom Trail Boss 2020
Chevrolet Silverado 1500 Custom Trail Boss 2021
Chevrolet Silverado 1500 High Country 2019
Chevrolet Silverado 1500 High Country 2020
Chevrolet Silverado 1500 High Country 2021
Chevrolet Silverado 1500 High Country 2022
Chevrolet Silverado 1500 High Country 2023
Chevrolet Silverado 1500 High Country 2024
Chevrolet Silverado 1500 LT Trail Boss 2020
Chevrolet Silverado 1500 LT Trail Boss 2021
Chevrolet Silverado 1500 LT Trail Boss 2022
Chevrolet Silverado 1500 LT Trail Boss 2023
Chevrolet Silverado 1500 LT Trail Boss 2024
Chevrolet Silverado 1500 LTZ 2019
Chevrolet Silverado 1500 LTZ 2020
Chevrolet Silverado 1500 LTZ 2021
Chevrolet Silverado 1500 LTZ 2022
Chevrolet Silverado 1500 LTZ 2023
Chevrolet Silverado 1500 LTZ 2024
Chevrolet Silverado 1500 RST 2020
Chevrolet Silverado 1500 RST 2021
Chevrolet Silverado 1500 RST 2022
Chevrolet Silverado 1500 RST 2023
Chevrolet Silverado 1500 RST 2024
Chevrolet Silverado 1500 ZR2 2022
Chevrolet Silverado 1500 ZR2 2023
Chevrolet Silverado 1500 ZR2 2024
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 2019
GMC Sierra 1500 AT4 2020
GMC Sierra 1500 AT4 2021
GMC Sierra 1500 AT4 2022
GMC Sierra 1500 AT4 2023
GMC Sierra 1500 AT4 2024
GMC Sierra 1500 AT4X 2024
GMC Sierra 1500 Denali 2019
GMC Sierra 1500 Denali 2020
GMC Sierra 1500 Denali 2021
GMC Sierra 1500 Denali 2022
GMC Sierra 1500 Denali 2023
GMC Sierra 1500 Denali 2024
GMC Sierra 1500 Denali Ultimate 2024
GMC Sierra 1500 SLT 2019
GMC Sierra 1500 SLT 2020
GMC Sierra 1500 SLT 2021
GMC Sierra 1500 SLT 2022
GMC Sierra 1500 SLT 2023
GMC Sierra 1500 SLT 2024
GMC Sierra 1500 Limited AT4 2022
GMC Sierra 1500 Limited Denali 2022
GMC Sierra 1500 Limited SLT 2022






















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