Borla Connection Pipes 2019-2023 Chevrolet Silverado 1500/ GMC Sierra 1500 6.2L V8 With BORLA® ATAK® Cat-Back™ System. - 60679 Pipe Diameter: 3.5" CHANGE Fits these Vehicles:2019-2023 Chevrolet Silverado 1500/ GMC Sierra 1500 6.2L V8 With BORLA® ATAK Cat-Back™ System. MSRP: $238.99 Can be used in select BORLA® GM truck ATAK® sound level systems to attain the S-Type sound level DOWNLOAD BORLA INSTALLATION GUIDE: BORLA 60679 INSTALLATION GUIDE