Magnaflow – Cat-back System 2010 Chevrolet Silverado 1500 / GMC Sierra 1500, 4.8L/5.3L V8, Extended Cab/Crew Cab-Short Bed, (EC-78.7” Bed) (CC-69.3” Bed), Dual Split Rear Exit, Stainless System featuring 3” tubing to dual 2.5 in. tailpipes and 3.5 in. polished stainless steel tips