S&B COLD AIR INTAKE FOR 2006-2007 GM/CHEVROLET6.6L DURAMAX LLY-LBZOur cold air intake for the 2006-2007 Chevy / GMC Duramax LLY-LBZ 6.6L was engineered to minimize air restriction and flows 50.15% better than stock. This kit comes with a fully enclosed airbox that protects the filter from dirt and keeps out engine heat.This kit comes with a massive, highly efficient air filter, which results in better performance and protects your engine. Available in either 8-layer Cotton Cleanable or Dry Extendable media.**California Proposition 65 Warning:Diesel engine exhaust and some of its constituents are known to the State of California to cause cancer, birth defects, and other reproductive harm.Visit:www.p65warnings.ca.gov