2014 chevrolet/gmc silverado/sierra 1500 6.2l automatic/manual trans. Ext. Cab image standard understructure 78.7 in. crew cab quick understructure 69.3 in. 143.5 in. steering wheel base. Features Product Type - Cat Back Exhaust. Pipe Diameter - 3.5 in. directly into muffler twin 2.25 in. out. Tip Size - four in. Tip Description - Dual Round Rolled Angle Cut Long. Tip - 18. Exit - Truck Side Exit. Model - Sierra. and Silverado Year - 2014....