BORLA 140800 Cat-Back™ System SILV/ SIERRA 1500 '19-'21 2.7L 4CYL AT 2&4WD 4DR EC STB (78.8") CC SB (69.3) WB 147" 3" "S-TYPE ymm_71 Fits Following Engines: Chevrolet LS

Fits Following Engines: Chevrolet LS Gen III Series

ensuring highly efficient filtration

Adding resonator 400939 achieves a mellow Touring sound level

For cleaning

BORLA 140800 Cat-Back™ System SILV/ SIERRA 1500 '19-'21 2.7L 4CYL AT 2&4WD 4DR EC STB (78.8") CC SB (69.3) WB 147" 3" "S-TYPE ymm_71 Fits Following Engines: Chevrolet LSDescription BORLA 140800 Cat Back System SILV SIERRA 1500 '19 '21 2. 7L 4CYL AT 2&4WD 4DR EC STB (78. 8") CC SB (69. 3) WB 147" 3" "S TYPE This 3" Borla Cat Back system with the S Type sound level is designed for 2. 7L Silverado and Sierra models with factory single side exit exhaust. It delivers enhanced sound and performance without the unwanted drone often present in four cylinder applications. The system is tuned specifically for the turbo four