Borla ATAK 3.5" Polyphonic Harmonizer For 19-23 Chevy Silverado/GMC Sierra 1500 2006-2017 Harley Davidson Wide Glide Whether you’re at the dragstrip

Whether you’re at the dragstrip or hauling a heavy trailer across the nation

7L Hemi engine is perfect for the person looking for a deep aggressive exterior sound with a moderate interior tone

743250-5013

2009-2013 Chev/GMC-Avalanche 5

providing maximum cooling efficiency and output

Borla ATAK 3.5" Polyphonic Harmonizer For 19-23 Chevy Silverado/GMC Sierra 1500 2006-2017 Harley Davidson Wide Glide Whether you’re at the dragstripReplace the small Muffler behind the primary Muffler in the BORLA S Type system with this 3. 5" diameter 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