GMC K15 Exhaust Manifolds
This page brings together exhaust manifolds for the GMC K15, covering model years 1975–1978. The range includes exhaust headers, cast iron manifolds, and direct-fit options across several configurations. Choose your model year above and this page keeps only the exhaust manifolds that fit your GMC K15. Each listing is matched to our vehicle fitment data before it appears here.
Hedman Hedders 69110 Specialty Engine Swap Header with Ceramic Coating
What's here for your GMC K15
- Exhaust headers, including long-tube and ceramic-coated performance styles
- Cast iron exhaust manifolds in direct-fit configurations
- Exhaust manifolds with integrated catalytic converters
- Pre heat hoses and related gasket and installation hardware
The widest selection here comes from AP Exhaust, Hedman Hedders, Hooker, and Dorman, covering a broad mix of styles from stock-replacement cast iron manifolds to ceramic-coated headers and complete kits. Other categories GMC K15 owners shop for: GMC K15 Steering Wheels, GMC K15 Exhaust and Tail Pipes and GMC K15 Doors and Door Parts, or browse all GMC K15 parts and accessories.