Description Fits Year Make Model 2001-2004 Chevrolet Silverado 2500 w/6.6L Duramax LB7 2001-2004 Chevrolet Silverado 3500 w/6.6L Duramax LB7 2001-2004 GMC Sierra 2500 w/6.6L Duramax LB7 2001-2004 GMC Sierra 3500 w/6.6L Duramax LB7 This S&B Cold Air Intake for the 2001-2004 Chevy / GMC Duramax LB7 6.6L was engineered to minimize air restriction and flows 44.63% better than stock. This kit comes with a fully enclosed airbox that protects the filter from dirt and keeps out engine heat. Premium silicone seals won't tear or crack and can handle temperatures as high as 400℉. 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. Cleanable is great for people that are running their trucks in the city and highways and tend to stay off dusty roads. They last the longest and are cleanable with the S&B Cleaning Kit. If you tend to keep your truck on the pavement, this is the filter for you. Dry Filters are meant for trucks that typically are used in dusty environments. Extend the life of the filter by blowing it out with compressed air. Dispose of the filter when you're done with it. If you tend to spend most of your time in the bush, working, and cruising logging roads this filter is for you. Part Number: 75-5101 Features 44.63% more airflow than stock intake 99.25% Efficiency Rating Direct bolt-in installation Street Legal in all US States Notes Is your vehicle an LB7 or LLY? Check the eighth digit of your VIN to find out. If it's a 1 you've got an LB7 and you'll need this kit. If it's a 2 you've got an LLY and need the 75-5102 Kit. Additional Information ISO 5011 Results
