{"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":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003eReplace the small muffler behind the primary muffler in the Borla(r) S-Type system with Polyphonic Harmonizer 60680 to attain the ATAK(r) sound level (louder than S-Type). Borla(r) '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(r) mufflers. The mufflers then enhance this sound to the character and volume appropriate for our Touring, S-Type and ATAK(r) 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(r) 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.\u003c\/p\u003e\u003ca href=\"https:\/\/d32vzsop7y1h3k.cloudfront.net\/5c58cd8f6267a7c3bf78ef6cdc34e50a.PDF\"\u003eInstallation Instructions\u003c\/a\u003e\u003cbr\u003e\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","brand":"Borla","offers":[{"title":"Default Title","offer_id":50933047853341,"sku":"BOR60680","price":214.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0974\/8673\/3597\/files\/0bdb08cc00c5f9865ef3ee4a50e7fcc1L.jpg?v=1770770186","url":"https:\/\/makperformance.com\/products\/borla-2019-chevrolet-silverado-sierra-1500-6-2l-atak-3-5in-diameter-polyphonic-harmonizer","provider":"MAK Performance Group","version":"1.0","type":"link"}