BORLA 140842 Cat-Back™ System SILV/ SIERRA 1500 '19-'21 5.3L V8 AT 2&4WD 2DR RC STB WB 126" 3" 2.75" "S-TYPE" S RD RL AC SS T ymm_30 575˝ Thread Size M8 x

575˝ Thread Size M8 x 1

ARP Ultra-Torque® is a premier blend of extreme pressure lubricants combined with incredible anti-seize characteristics that perform amazingly well with all high performance engine fasteners

5/16˝ x 5/8 x (ID x OD x Thickness)

Cat-Back and Axle-Back exhaust systems utilize patented straight-through and multi-core technology to increase horsepower

BORLA 140842 Cat-Back™ System SILV/ SIERRA 1500 '19-'21 5.3L V8 AT 2&4WD 2DR RC STB WB 126" 3" 2.75" "S-TYPE" S RD RL AC SS T ymm_30 575˝ Thread Size M8 xDescription BORLA 140842 Cat Back System SILV SIERRA 1500 '19 '21 5. 3L V8 AT 2&4WD 2DR RC STB WB 126" 3" 2. 75" "S TYPE" S RD RL AC SS T This wheelbase is not available in North America. This 3" diameter into dual 2. 75" tail pipes Cat Back system has side exits, with one on each side of the vehicle. It features the classic S Type sound with no drone inside the vehicle and includes one 4" round bright chrome on T 304 stainless steel tip on each tail