Cold Air Intakes | 2006-2007 Chevy/GMC Duramax LBZ 6.6L - Cold Air Intake Systems | 2006-2007 Chevy/GMC Duramax LBZ 6.6L - Volant Performance - Volant Performance Closed Box w/ Air Scoop Cold Air Intake (Dry Filter) | VP350661 | 2006-2007 Chevrolet Silverado 2500HD 6.6L