{"product_id":"borla-2019-chevrolet-silverado-sierra-1500-6-2l-atak-3-5in-diameter-polyphonic-harmonizer","title":"Borla 2019 Chevrolet Silverado\/Sierra 1500 6.2L Atak 3.5in Diameter Polyphonic Harmonizer","description":"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 \u0026amp; 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.\nATAK Polyphonic Harmonizer 2019-2026 Chevrolet Silverado 1500\/ GMC Sierra 1500 6.2L V8 Automatic Transmission 2 \u0026amp; 4 Wheel Drive With Borla \"S-TYPE\" Cat-Back System\n2019-2026 Chevrolet Silverado 1500\/ GMC Sierra 1500 6.2L V8 Automatic Transmission 2 \u0026amp; 4 Wheel Drive With BORLA® \"S-TYPE\" Cat-Back™ System.\n\u003cul\u003e\n  \u003cli\u003eCan be used in select Borla(r) GM truck S-Type sound level systems to attain the ATAK(r) sound level\u003c\/li\u003e\n  \u003cli\u003eFeatures Polyphonic Harmonizer technology\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\nChevrolet Silverado 1500 Custom Trail Boss 2020\u003cbr\u003e\nChevrolet Silverado 1500 Custom Trail Boss 2021\u003cbr\u003e\nChevrolet Silverado 1500 High Country 2019\u003cbr\u003e\nChevrolet Silverado 1500 High Country 2020\u003cbr\u003e\nChevrolet Silverado 1500 High Country 2021\u003cbr\u003e\nChevrolet Silverado 1500 High Country 2022\u003cbr\u003e\nChevrolet Silverado 1500 High Country 2023\u003cbr\u003e\nChevrolet Silverado 1500 High Country 2024\u003cbr\u003e\nChevrolet Silverado 1500 High Country 2025\u003cbr\u003e\nChevrolet Silverado 1500 High Country 2026\u003cbr\u003e\nChevrolet Silverado 1500 LT Trail Boss 2020\u003cbr\u003e\nChevrolet Silverado 1500 LT Trail Boss 2021\u003cbr\u003e\nChevrolet Silverado 1500 LT Trail Boss 2022\u003cbr\u003e\nChevrolet Silverado 1500 LT Trail Boss 2023\u003cbr\u003e\nChevrolet Silverado 1500 LT Trail Boss 2024\u003cbr\u003e\nChevrolet Silverado 1500 LT Trail Boss 2025\u003cbr\u003e\nChevrolet Silverado 1500 LT Trail Boss 2026\u003cbr\u003e\nChevrolet Silverado 1500 LTZ 2019\u003cbr\u003e\nChevrolet Silverado 1500 LTZ 2020\u003cbr\u003e\nChevrolet Silverado 1500 LTZ 2021\u003cbr\u003e\nChevrolet Silverado 1500 LTZ 2022\u003cbr\u003e\nChevrolet Silverado 1500 LTZ 2023\u003cbr\u003e\nChevrolet Silverado 1500 LTZ 2024\u003cbr\u003e\nChevrolet Silverado 1500 LTZ 2025\u003cbr\u003e\nChevrolet Silverado 1500 LTZ 2026\u003cbr\u003e\nChevrolet Silverado 1500 RST 2020\u003cbr\u003e\nChevrolet Silverado 1500 RST 2021\u003cbr\u003e\nChevrolet Silverado 1500 RST 2022\u003cbr\u003e\nChevrolet Silverado 1500 RST 2023\u003cbr\u003e\nChevrolet Silverado 1500 RST 2024\u003cbr\u003e\nChevrolet Silverado 1500 RST 2025\u003cbr\u003e\nChevrolet Silverado 1500 RST 2026\u003cbr\u003e\nChevrolet Silverado 1500 ZR2 2022\u003cbr\u003e\nChevrolet Silverado 1500 ZR2 2023\u003cbr\u003e\nChevrolet Silverado 1500 ZR2 2024\u003cbr\u003e\nChevrolet Silverado 1500 ZR2 2025\u003cbr\u003e\nChevrolet Silverado 1500 ZR2 2026\u003cbr\u003e\nGMC Sierra 1500 AT4 2019\u003cbr\u003e\nGMC Sierra 1500 AT4 2020\u003cbr\u003e\nGMC Sierra 1500 AT4 2021\u003cbr\u003e\nGMC Sierra 1500 AT4 2022\u003cbr\u003e\nGMC Sierra 1500 AT4 2023\u003cbr\u003e\nGMC Sierra 1500 AT4 2024\u003cbr\u003e\nGMC Sierra 1500 AT4 2025\u003cbr\u003e\nGMC Sierra 1500 AT4 2026\u003cbr\u003e\nGMC Sierra 1500 AT4X 2022\u003cbr\u003e\nGMC Sierra 1500 AT4X 2023\u003cbr\u003e\nGMC Sierra 1500 AT4X 2024\u003cbr\u003e\nGMC Sierra 1500 AT4X 2025\u003cbr\u003e\nGMC Sierra 1500 AT4X 2026\u003cbr\u003e\nGMC Sierra 1500 Denali 2019\u003cbr\u003e\nGMC Sierra 1500 Denali 2020\u003cbr\u003e\nGMC Sierra 1500 Denali 2021\u003cbr\u003e\nGMC Sierra 1500 Denali 2022\u003cbr\u003e\nGMC Sierra 1500 Denali 2023\u003cbr\u003e\nGMC Sierra 1500 Denali 2024\u003cbr\u003e\nGMC Sierra 1500 Denali 2025\u003cbr\u003e\nGMC Sierra 1500 Denali 2026\u003cbr\u003e\nGMC Sierra 1500 Denali Ultimate 2022\u003cbr\u003e\nGMC Sierra 1500 Denali Ultimate 2023\u003cbr\u003e\nGMC Sierra 1500 Denali Ultimate 2024\u003cbr\u003e\nGMC Sierra 1500 Denali Ultimate 2025\u003cbr\u003e\nGMC Sierra 1500 Denali Ultimate 2026\u003cbr\u003e\nGMC Sierra 1500 SLT 2019\u003cbr\u003e\nGMC Sierra 1500 SLT 2020\u003cbr\u003e\nGMC Sierra 1500 SLT 2021\u003cbr\u003e\nGMC Sierra 1500 SLT 2022\u003cbr\u003e\nGMC Sierra 1500 SLT 2023\u003cbr\u003e\nGMC Sierra 1500 SLT 2024\u003cbr\u003e\nGMC Sierra 1500 SLT 2025\u003cbr\u003e\nGMC Sierra 1500 SLT 2026\u003cstyle\u003etable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; 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