For GMC Exhaust Manifold
Exhaust Manifold is the first section of a vehicle's exhaust system, are generally simple cast iron or stainless steel units which collect engine exhaust gas from multiple cylinders and deliver it to the exhaust pipe, helps to minimize leakage of heat, air and gases. An inlet manifold or intake manifold is the part of an engine that supplies the fuel/air mixture to the cylinders. It's important to optimize the efficiency and performance of the engine.
Maxpeedingrods has the wide range of exhaust/intake manifold selection for your GMC series car.