GMC Sierra 2500HD 2011 Sierra Parts 3-inch Bullet Muffler And rear taillights, one is GM and the other is aftermarket. There are minor notes. Hook bracket fits 1500 and 2500 HD Front bumper 2500HD, there is a clear note in the pictures. Complete rear bumper with its brackets, rubbers, and corners 2500HD 2.5-inch Y-pipe fits HD Price: Best offer