Hooker BlackHeart Cast Iron Center Dump Exhaust Manifold - Black Ceramic Coated - GM LT-Series (Pair) M77CB743HNC pipe diameter X 12

pipe diameter X 12

2010-2017 GMC Sierra 1500 78

Driver Side Mount

or full blast mode

Hooker BlackHeart Cast Iron Center Dump Exhaust Manifold - Black Ceramic Coated - GM LT-Series (Pair) M77CB743HNC pipe diameter X 12For applications or projects where our existing LS and LT swap manifolds don't quite fit or you need an exit point further forward in the engine bay to avoid the steering shaft, a starter, or some other component, our new "center dump" cast iron swap manifolds are the solution. Cast out of the same Hi Silicon Moly Ductile Iron as our 8502HKR and BHS516 lineup, it will be tough to find a more durable, streamlined, and quiet exhaust option. Available in