Fits Chevy/GMC 2500HD/3500HD (17-19) Cold Air Intake; 6.6L; 10478 reg-cab 2L 1-3/4” SHORTY Headers (POLISHED

2L 1-3/4” SHORTY Headers (POLISHED SILVER CERAMIC)

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3 V8 1965 - 1967 Plymouth Belvedere II   426/7 V8 1966 Plymouth Belvedere II   361/5

6 V8 1977 - 1980 Pontiac Grand Prix 301/4

Fits Chevy/GMC 2500HD/3500HD (17-19) Cold Air Intake; 6.6L; 10478 reg-cab 2L 1-3/4” SHORTY Headers (POLISHEDCold Air Intake 6. 6L Chevy GMC 2500HD 3500HD (17 19) Gain increased horsepower and throttle response while protecting your engine from harmful particles and debris with Rough Country's Cold Air Intake System. This intake system moves the air filter away from the stuffy engine compartment so cooler air can be circulated into the engine for an increase in power. Cooler air is denser, and brings more oxygen into the combustion chamber to help your