Borla 22-23 Chevrolet Silverado 1500 ZR2 & AT4X 6.2L CC SB 147.5in WB S-Type Cat-Back 'Quad Boss'] No Drone At Cruise

No Drone At Cruise

The pleats are parallel to the width creating a stronger filter with more surface area

Made of T-6061 billet aluminum

so you get clean air and unobstructed flow

Borla 22-23 Chevrolet Silverado 1500 ZR2 & AT4X 6.2L CC SB 147.5in WB S-Type Cat-Back 'Quad Boss'] No Drone At CruiseBorla 22 23 Chevrolet Silverado 1500 ZR2 & AT4X 6. 2L CC SB 147. 5in WB S Type Cat Back This system features the classic BORLA(r) S Type sound level and turn down tailpipes. It was designed specifically for the Silverado 1500 ZR2 and Sierra 1500 AT4X and delivers great sound without any drone. Replace 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