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Stainless Works 1-7/8-inch long-tube header kit, factory-connect, for 2020–2021 Silverado HD 6.6L offers a direct-fit replacement header with 1-7/8-inch primaries matched to factory connection points. Developed for the stated Silverado HD application, this long-tube header kit provides an alternative primary diameter for those desiring the specified fit and outlet configuration.
Stainless Works 2020-21 Silverado HD 6.6L 1-7/8in Long Tube Header Kit Factory Connect
