Borla Add to Cart Borla 2019 Chevrolet Silverado/Sierra 1500 6.2L Atak 3.5in Diameter Polyphonic Harmonizer - 60680 MSRP: $236.99 Was: Now: $211.99 Replace the small muffler behind the primary muffler in the BORLA S-Type system with Polyphonic Harm…
