BORLA 60708 Connection Pipes SILV/ SIERRA 1500 '19-'21 5.3L AT/MT 2+4WD CC STB 157" WB ADAPTER ymm_48 Specifications Socket Size(s) 1-1/16 12pt

Specifications Socket Size(s) 1-1/16 12pt UHL 1

but will remove the side-pipes on the Boss 302

This system features 4" black chrome tips on T-304 stainless steel

Outside Width/Base Inner Diameter (mm): 197

BORLA 60708 Connection Pipes SILV/ SIERRA 1500 '19-'21 5.3L AT/MT 2+4WD CC STB 157" WB ADAPTER ymm_48 Specifications Socket Size(s) 1-1/16 12ptDescription BORLA 60708 Connection Pipes SILV SIERRA 1500 '19 '21 5. 3L AT MT 2+4WD CC STB 157" WB ADAPTER This extension pipe adapts 147. 4" wheelbase BORLA systems to vehicles with Crew Cab and Standard Bed (6' 7") 157" wheelbase configurations, except for ZR2 and AT4X models. It features a 3" ID inlet, 3" OD outlet, and measures 12" in length. The kit includes one 3" clamp. The pipe is constructed from high quality austenitic T 304 stainless steel