Borla 2019 Chevrolet Silverado/Sierra 1500 6.2L Atak 3.5in Diameter Polyphonic Harmonizer - 60680 fits_2008-2011`Subaru`Impreza Dyno Proven gains of up

Dyno Proven gains of up to 24 hp and 24 lb-ft

these materials are not only resistant to high temperatures

#388e3c 60%

The system delivers the classic S-Type sound

The housing connect to the factory air inlet

Borla 2019 Chevrolet Silverado/Sierra 1500 6.2L Atak 3.5in Diameter Polyphonic Harmonizer - 60680 fits_2008-2011`Subaru`Impreza Dyno Proven gains of upReplace 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