Browse GMC 6.6L DURAMAX Exhaust Manifolds on MyLittleSalesman.com and compare listings with prices from $50 to $450. Sellers include DTI Truck Parts, Rydemore Heavy Duty Truck Parts, and Frontier Truck Parts. Filter by condition, price, or year to quickly narrow down to the right GMC 6.6L DURAMAX Exhaust Manifold.