2020-2026 GMC Sierra 2500 Headers

Flow optimization comes through 2020-2026 GMC Sierra 2500 Headers that replace restrictive factory manifolds efficiently. Long-tube designs maximize flow while short designs offer easier installation in tight engine bays.

 

Primary tube diameter affects flow capacity with larger sizing supporting higher horsepower engines more effectively. Coating options include ceramic for heat management or high-temperature paint for durability.

 

Headers maximize flow from your engine into the 2020-2026 GMC Sierra 2500 Exhaust Systems you're building. Check out the 2020-2026 Sierra 2500 Exhaust section for everything exhaust or add 2020-2026 GMC Sierra 2500 Cold Air Intakes for intake side improvements.