MagnaFlow’s range of GMC Sierra 2500 HD exhaust systems are available in cat-back, downpipe-back and particulate filter back layouts across numerous product lines. These exhaust kits are made of aluminized steel or stainless steel and feature either black coated or polished tip finishes. Choose between dual split rear, dual split rear behind passenger rear tires, single passenger side rear and dual same side behind passenger rear tire exit options. D-Fit Muffler Replacement kits are also available for some model years. Select your Sierra 2500 HD's year, sub-model, engine size and vehicle details to shop all available exhaust systems for your truck.