aFe Intake System Components include soft part Replacement Hoses and Clamps, Dynamic Air Scoops and MAF Sensor Adapters for more consistent and greater power. PartNumber : afe59-80612 Description : Cold Air Intake System Tube Upgrade Soft Part Package; Incl Straight Coupling/Coupling Hump/Coupling Reducer; For PN [XX-80612] 2004-2005 Chevrolet Silverado 2500 HD Base V8.6599cc Uncategorized::Uncategorized 2004-2005 Chevrolet Silverado 2500 HD LS V8.6599cc Uncategorized::Uncategorized 2004-2005 Chevrolet Silverado 2500 HD LT V8.6599cc Uncategorized::Uncategorized 2004-2005 Chevrolet Silverado 2500 HD WT V8.6599cc Uncategorized::Uncategorized 2005 Chevrolet Silverado 3500 Base V8.6599cc Uncategorized::Uncategorized 2005 Chevrolet Silverado 3500 LS V8.6599cc Uncategorized::Uncategorized 2005 Chevrolet Silverado 3500 LT V8.6599cc Uncategorized::Uncategorized 2004-2005 GMC Sierra 2500 HD Base V8.6599cc Uncategorized::Uncategorized 2004-2005 GMC Sierra 2500 HD SLE V8.6599cc Uncategorized::Uncategorized 2004-2005 GMC Sierra 2500 HD SLT V8.6599cc Uncategorized::Uncategorized 2004-2005 GMC Sierra 2500 HD WT V8.6599cc Uncategorized::Uncategorized 2004-2005 GMC Sierra 3500 Base V8.6599cc Uncategorized::Uncategorized 2004-2005 GMC Sierra 3500 SLE V8.6599cc Uncategorized::Uncategorized 2004-2005 GMC Sierra 3500 SLT V8.6599cc Uncategorized::Uncategorized 2004-2005 GMC Sierra 3500 WT V8.6599cc Uncategorized::Uncategorized