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Borla 2019 Chevrolet Silverado/Sierra 1500 6.2L Atak 3.5in Diameter Polyphonic Harmonizer

Take your exhaust sound to the next level with the Borla Polyphonic Harmonizer. This patented technology utilizes units with pipes of different diameters and lengths to create multiple exhaust notes that harmonize to deliver a clean, rich, full-bodied sound. Built from premium T-304 stainless steel, this harmonizer is designed to provide maximum flow and power.

  • Patented Polyphonic Harmonizer Technology
  • Premium T-304 stainless steel construction
  • Ultra-smooth mandrel bends for maximum flow and power
  • Precision computer numerical control (CNC) manufacturing for accurate fit
  • Million-Mile Warranty
Make Model Year Type
Chevrolet Silverado 1500 2019 Custom
Chevrolet Silverado 1500 2019 Custom Trail Boss
Chevrolet Silverado 1500 2019 High Country
Chevrolet Silverado 1500 2019 LT
Chevrolet Silverado 1500 2019 LT Trail Boss
Chevrolet Silverado 1500 2019 LTZ
Chevrolet Silverado 1500 2019 RST
Chevrolet Silverado 1500 2019 SSV
Chevrolet Silverado 1500 2019 WT
Chevrolet Silverado 1500 2020 Custom
Chevrolet Silverado 1500 2020 Custom Trail Boss
Chevrolet Silverado 1500 2020 High Country
Chevrolet Silverado 1500 2020 LT
Chevrolet Silverado 1500 2020 LT Trail Boss
Chevrolet Silverado 1500 2020 LTZ
Chevrolet Silverado 1500 2020 RST
Chevrolet Silverado 1500 2020 SSV
Chevrolet Silverado 1500 2020 WT
Chevrolet Silverado 1500 2021 Custom
Chevrolet Silverado 1500 2021 Custom Trail Boss
Chevrolet Silverado 1500 2021 High Country
Chevrolet Silverado 1500 2021 LT
Chevrolet Silverado 1500 2021 LT Trail Boss
Chevrolet Silverado 1500 2021 LTZ
Chevrolet Silverado 1500 2021 RST
Chevrolet Silverado 1500 2021 SSV
Chevrolet Silverado 1500 2021 WT
Chevrolet Silverado 1500 2022 Custom
Chevrolet Silverado 1500 2022 Custom Trail Boss
Chevrolet Silverado 1500 2022 High Country
Chevrolet Silverado 1500 2022 LT
Chevrolet Silverado 1500 2022 LT Trail Boss
Chevrolet Silverado 1500 2022 LTZ
Chevrolet Silverado 1500 2022 RST
Chevrolet Silverado 1500 2022 WT
Chevrolet Silverado 1500 2022 ZR2
Chevrolet Silverado 1500 2023 Custom
Chevrolet Silverado 1500 2023 Custom Trail Boss
Chevrolet Silverado 1500 2023 High Country
Chevrolet Silverado 1500 2023 LT
Chevrolet Silverado 1500 2023 LT Trail Boss
Chevrolet Silverado 1500 2023 LTZ
Chevrolet Silverado 1500 2023 PPV
Chevrolet Silverado 1500 2023 RST
Chevrolet Silverado 1500 2023 WT
Chevrolet Silverado 1500 2023 ZR2
Chevrolet Silverado 1500 LTD 2022 Custom
Chevrolet Silverado 1500 LTD 2022 Custom Trail Boss
Chevrolet Silverado 1500 LTD 2022 High Country
Chevrolet Silverado 1500 LTD 2022 LT
Chevrolet Silverado 1500 LTD 2022 LT Trail Boss
Chevrolet Silverado 1500 LTD 2022 LTZ
Chevrolet Silverado 1500 LTD 2022 RST
Chevrolet Silverado 1500 LTD 2022 SSV
Chevrolet Silverado 1500 LTD 2022 WT
GMC Sierra 1500 2019 AT4
GMC Sierra 1500 2019 Base
GMC Sierra 1500 2019 Denali
GMC Sierra 1500 2019 Elevation
GMC Sierra 1500 2019 SLE
GMC Sierra 1500 2019 SLT
GMC Sierra 1500 2020 AT4
GMC Sierra 1500 2020 Base
GMC Sierra 1500 2020 Denali
GMC Sierra 1500 2020 Elevation
GMC Sierra 1500 2020 SLE
GMC Sierra 1500 2020 SLT
GMC Sierra 1500 2021 AT4
GMC Sierra 1500 2021 Base
GMC Sierra 1500 2021 Denali
GMC Sierra 1500 2021 Elevation
GMC Sierra 1500 2021 SLE
GMC Sierra 1500 2021 SLT
GMC Sierra 1500 2022 AT4
GMC Sierra 1500 2022 AT4X
GMC Sierra 1500 2022 Denali
GMC Sierra 1500 2022 Denali Ultimate
GMC Sierra 1500 2022 Elevation
GMC Sierra 1500 2022 Pro
GMC Sierra 1500 2022 SLE
GMC Sierra 1500 2022 SLT
GMC Sierra 1500 2023 AT4
GMC Sierra 1500 2023 AT4X
GMC Sierra 1500 2023 Denali
GMC Sierra 1500 2023 Denali Ultimate
GMC Sierra 1500 2023 Elevation
GMC Sierra 1500 2023 Pro
GMC Sierra 1500 2023 SLE
GMC Sierra 1500 2023 SLT
GMC Sierra 1500 Limited 2022 AT4
GMC Sierra 1500 Limited 2022 Denali
GMC Sierra 1500 Limited 2022 Elevation
GMC Sierra 1500 Limited 2022 Pro
GMC Sierra 1500 Limited 2022 SLE
GMC Sierra 1500 Limited 2022 SLT
BORLA® is committed to providing world-class exhaust products which surpass the expectations of our customers. To that end, its facility is complete with a state-of-the art test and development center where we are continually improving our manufacturing efficiency and standards. Every BORLA® Cat-Back™ system, Header and Axle-Back is made from austenitic stainless steel (superior to 409 or aluminized steel) employing mandrel-bent tubing, all-welded construction, and is designed for accurate fit and easy installation. The performance advantages of a BORLA® are widely recognized, providing an average increase of 7-10 horsepower and torque when you plant your foot, and improved gas mileage at cruising speeds.
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