{"product_id":"borla-60680-atak-polyphonic-harmonizer-for-2019-2026-chevrolet-silverado-and-gmc-sierra-1500-6-2l-v8","title":"Borla 60680 ATAK Polyphonic Harmonizer for 2019-2026 Chevrolet Silverado and GMC Sierra 1500 6.2L V8","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\n\u003cp\u003eUpgrade a compatible Borla S-Type Cat-Back system with the Borla 60680 ATAK Polyphonic Harmonizer. Designed for select 2019-2026 Chevrolet Silverado 1500 and GMC Sierra 1500 models equipped with the 6.2L V8 and automatic transmission, this replacement component increases the exhaust sound level from S-Type to ATAK character. It is compatible with both two-wheel-drive and four-wheel-drive configurations when used with the specified Borla S-Type system.\u003c\/p\u003e\n\u003cp\u003eBorla Polyphonic Harmonizer Technology uses patented internal tubes with different diameters and lengths to create multiple exhaust notes that harmonize into a clean, rich, full-bodied tone. The harmonizer works with the existing Borla muffler system to produce the aggressive ATAK sound while maintaining the fit, quality, and performance expected from Borla. Premium T-304 stainless steel provides excellent corrosion resistance and durability, while smooth mandrel bends support efficient exhaust flow. CNC manufacturing helps ensure precise fitment, and the product is backed by Borla's Million-Mile Warranty.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e Select 2019-2026 Chevrolet Silverado 1500 and GMC Sierra 1500 trucks with a 6.2L V8, automatic transmission, and 2WD or 4WD\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSystem Compatibility:\u003c\/strong\u003e Designed for use with compatible Borla S-Type Cat-Back systems\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSound Upgrade:\u003c\/strong\u003e Raises the sound level to Borla ATAK character\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e Premium T-304 stainless steel with smooth mandrel bends and CNC-formed components\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTechnology:\u003c\/strong\u003e Patented Polyphonic Harmonizer design creates multiple harmonized exhaust notes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePerformance:\u003c\/strong\u003e Supports efficient exhaust flow and strong system response\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e Backed by Borla's Million-Mile Warranty\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRegulatory Information:\u003c\/strong\u003e Not CARB approved; emissions certification is not applicable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e One Borla 60680 ATAK Polyphonic Harmonizer. Installation hardware and additional components may depend on the existing Borla S-Type Cat-Back system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e Fits select 2019-2026 Chevrolet Silverado 1500 and GMC Sierra 1500 models with the 6.2L V8, automatic transmission, and two-wheel drive or four-wheel drive. Verify the vehicle configuration and existing Borla S-Type Cat-Back system before ordering.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with select Borla S-Type Cat-Back systems to achieve ATAK sound level\u003c\/li\u003e\n\u003cli\u003ePatented Polyphonic Harmonizer Technology produces a clean, rich, full-bodied exhaust tone\u003c\/li\u003e\n\u003cli\u003ePremium T-304 stainless steel construction provides excellent durability and corrosion resistance\u003c\/li\u003e\n\u003cli\u003eSmooth mandrel bends and CNC manufacturing support efficient flow and precise fitment\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitments:\u003cbr\u003e\n2019 Chevrolet Silverado 1500 High Country\u003cbr\u003e\n2019 Chevrolet Silverado 1500 LTZ\u003cbr\u003e\n2019 GMC Sierra 1500 AT4\u003cbr\u003e\n2019 GMC Sierra 1500 Denali\u003cbr\u003e\n2019 GMC Sierra 1500 SLT\u003cbr\u003e\n2020 Chevrolet Silverado 1500 Custom Trail Boss\u003cbr\u003e\n2020 Chevrolet Silverado 1500 High Country\u003cbr\u003e\n2020 Chevrolet Silverado 1500 LT Trail Boss\u003cbr\u003e\n2020 Chevrolet Silverado 1500 LTZ\u003cbr\u003e\n2020 Chevrolet Silverado 1500 RST\u003cbr\u003e\n2020 GMC Sierra 1500 AT4\u003cbr\u003e\n2020 GMC Sierra 1500 Denali\u003cbr\u003e\n2020 GMC Sierra 1500 SLT\u003cbr\u003e\n2021 Chevrolet Silverado 1500 Custom Trail Boss\u003cbr\u003e\n2021 Chevrolet Silverado 1500 High Country\u003cbr\u003e\n2021 Chevrolet Silverado 1500 LT Trail Boss\u003cbr\u003e\n2021 Chevrolet Silverado 1500 LTZ\u003cbr\u003e\n2021 Chevrolet Silverado 1500 RST\u003cbr\u003e\n2021 GMC Sierra 1500 AT4\u003cbr\u003e\n2021 GMC Sierra 1500 Denali\u003cbr\u003e\n2021 GMC Sierra 1500 SLT\u003cbr\u003e\n2022 Chevrolet Silverado 1500 High Country\u003cbr\u003e\n2022 Chevrolet Silverado 1500 LT Trail Boss\u003cbr\u003e\n2022 Chevrolet Silverado 1500 LTZ\u003cbr\u003e\n2022 Chevrolet Silverado 1500 RST\u003cbr\u003e\n2022 Chevrolet Silverado 1500 ZR2\u003cbr\u003e\n2022 GMC Sierra 1500 AT4\u003cbr\u003e\n2022 GMC Sierra 1500 AT4X\u003cbr\u003e\n2022 GMC Sierra 1500 Denali\u003cbr\u003e\n2022 GMC Sierra 1500 Denali Ultimate\u003cbr\u003e\n2022 GMC Sierra 1500 SLT\u003cbr\u003e\n2023 Chevrolet Silverado 1500 High Country\u003cbr\u003e\n2023 Chevrolet Silverado 1500 LT Trail Boss\u003cbr\u003e\n2023 Chevrolet Silverado 1500 LTZ\u003cbr\u003e\n2023 Chevrolet Silverado 1500 RST\u003cbr\u003e\n2023 Chevrolet Silverado 1500 ZR2\u003cbr\u003e\n2023 GMC Sierra 1500 AT4\u003cbr\u003e\n2023 GMC Sierra 1500 AT4X\u003cbr\u003e\n2023 GMC Sierra 1500 Denali\u003cbr\u003e\n2023 GMC Sierra 1500 Denali Ultimate\u003cbr\u003e\n2023 GMC Sierra 1500 SLT\u003cbr\u003e\n2024 Chevrolet Silverado 1500 High Country\u003cbr\u003e\n2024 Chevrolet Silverado 1500 LT Trail Boss\u003cbr\u003e\n2024 Chevrolet Silverado 1500 LTZ\u003cbr\u003e\n2024 Chevrolet Silverado 1500 RST\u003cbr\u003e\n2024 Chevrolet Silverado 1500 ZR2\u003cbr\u003e\n2024 GMC Sierra 1500 AT4\u003cbr\u003e\n2024 GMC Sierra 1500 AT4X\u003cbr\u003e\n2024 GMC Sierra 1500 Denali\u003cbr\u003e\n2024 GMC Sierra 1500 Denali Ultimate\u003cbr\u003e\n2024 GMC Sierra 1500 SLT\u003cbr\u003e\n2025 Chevrolet Silverado 1500 High Country\u003cbr\u003e\n2025 Chevrolet Silverado 1500 LT Trail Boss\u003cbr\u003e\n2025 Chevrolet Silverado 1500 LTZ\u003cbr\u003e\n2025 Chevrolet Silverado 1500 RST\u003cbr\u003e\n2025 Chevrolet Silverado 1500 ZR2\u003cbr\u003e\n2025 GMC Sierra 1500 AT4\u003cbr\u003e\n2025 GMC Sierra 1500 AT4X\u003cbr\u003e\n2025 GMC Sierra 1500 Denali\u003cbr\u003e\n2025 GMC Sierra 1500 Denali Ultimate\u003cbr\u003e\n2025 GMC Sierra 1500 SLT\u003cbr\u003e\n2026 Chevrolet Silverado 1500 High Country\u003cbr\u003e\n2026 Chevrolet Silverado 1500 LT Trail Boss\u003cbr\u003e\n2026 Chevrolet Silverado 1500 LTZ\u003cbr\u003e\n2026 Chevrolet Silverado 1500 RST\u003cbr\u003e\n2026 Chevrolet Silverado 1500 ZR2\u003cbr\u003e\n2026 GMC Sierra 1500 AT4\u003cbr\u003e\n2026 GMC Sierra 1500 AT4X\u003cbr\u003e\n2026 GMC Sierra 1500 Denali\u003cbr\u003e\n2026 GMC Sierra 1500 Denali Ultimate\u003cbr\u003e\n2026 GMC Sierra 1500 SLT\u003cstyle\u003etable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; 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