aFe 49-44038-B MACH FORCE XP Cat-Back Exhaust System for GM Silverado/Sierra 1500 3 inch diameter stainless steel High-flow muffler Massive 4.5 inch out powder-coated exhaust tip Factory hanger locations Made and assembled in the USA; for GM Silverado/Sierra 1500 2014 V8-5.3/6.2l