GMC Sierra 2500 HD Exhaust Manifolds
This page brings together exhaust manifolds for the GMC Sierra 2500 HD spanning model years 1999–2024, covering everything from direct-fit replacement manifolds to performance headers and manifold kits. Choose your model year above and this page keeps only the exhaust manifolds that fit your GMC Sierra 2500 HD. Each listing is matched to our vehicle fitment data before it appears here.
BD Diesel 1041460 Duramax Exhaust Manifold Driver Side LB7 LLY LBZ LMM
BD Diesel 1041400 Exhaust Manifold Kit High-Silicon Ductile Iron
BBK 40410 Long Tube Headers with Catalytic Converters for Camaro V6
BBK 1614 Long Tube Headers with Y-Pipe for 1999-2002 GM Full Size Trucks
MagnaFlow 5551237 California CARB Compliant Direct-Fit Manifold Catalytic Converter
BBK 16140 Long Tube Exhaust Headers 1-3/4" Primary Tube Polished Silver Ceramic
MagnaFlow 5551995 California CARB-Compliant Manifold Catalytic Converter with Integrated Exhaust Manifold
Doug's Headers D3373-B Long Tube Exhaust Headers Black Coated 2WD/4WD Truck
What's here for your GMC Sierra 2500 HD
- Exhaust headers, including shorty and long-tube styles
- Direct-fit exhaust manifolds
- Exhaust manifolds with integrated catalytic converters
- Exhaust manifold kits with gaskets and hardware
- Pre heat hoses
- Exhaust manifold to cylinder head repair clamps
The widest selection here comes from Dorman, JBA Headers, Magnaflow, and ATP, covering ceramic-coated and performance-oriented options alongside stock-style replacements. Other categories GMC Sierra 2500 HD owners shop for: GMC Sierra 2500 HD Shocks and Struts, GMC Sierra 2500 HD Exterior Lights and GMC Sierra 2500 HD Springs and Suspension Parts, or browse all GMC Sierra 2500 HD parts and accessories.