BORLA 140794 Cat-Back™ System SILV/ SIERRA 1500 '19-'21 5.3L/ 4.3L V6 V8 AT 2&4WD 4 DR EC STB (78.8") CC SB (69.3) WB 147.4" ymm_37 Compatible with most engine management

Compatible with most engine management systems

The front rim is 34mm deep

in quantities of 4

25" system delivers the classic S-Type sound with no interior drone

BORLA 140794 Cat-Back™ System SILV/ SIERRA 1500 '19-'21 5.3L/ 4.3L V6 V8 AT 2&4WD 4 DR EC STB (78.8") CC SB (69.3) WB 147.4" ymm_37 Compatible with most engine managementDescription BORLA 140794 Cat Back System SILV SIERRA 1500 '19 '21 5. 3L 4. 3L V6 V8 AT 2&4WD 4 DR EC STB (78. 8") CC SB (69. 3) WB 147. 4" This system is designed for factory side exit vehicles only. For Crew Cab models with a standard bed (6' 7") and a 157" wheelbase, Adapter 60708 must be added. The 3" diameter BORLA Cat Back system features a side exit on the passenger side and delivers the classic S Type sound level without interior drone. It