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

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

Marsoni

M251S

$107.50

Get it in 3 business days with 1 day shipping. Friday, May 29

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

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Exchange/Return Notes

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The Nilight 16 AWG Wiring Harness Extension Kit made installing my LED light bar so much easier. The wires are thick, durable, and exactly the right gauge for a reliable connection. The 10-foot length gave me plenty of room to work with, and everything connected smoothly without any issues. Feels like solid quality, and I appreciate that it comes with a 2-year warranty. Great value and highly recommended for anyone wiring up off-road lights or accessories.

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Reviewed in the United States on October 4, 2025