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 The system features dual 4"

The system features dual 4" round polished T-304 stainless steel tips on each muffler

Adding resonator 400939 achieves a mellow Touring sound level

Applications:

Specifications Socket Size(s) 3/4 12pt Fastener Style: Bolt

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 The system features dual 4"Description 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