Description: This S&B Cold Air Intake is specially designed for 2001 - 2004 Chevy / GMC Duramax LB7 6.6L engines. It's engineered to greatly reduce air restriction, offering 44.63% better airflow than the stock intake. The kit comes with a fully - enclosed airbox that shields the filter from dirt and keeps engine heat away. The premium silicone seals are durable, able to withstand temperatures up to 400℉ without tearing or cracking. You can choose between an 8 - layer Cotton Cleanable or Dry Extendable air filter. The Cleanable filter is perfect for city and highway driving, long - lasting and cleanable with the S&B Cleaning Kit. The Dry Filter is ideal for trucks in dusty environments, and you can extend its life by blowing it out with compressed air. Part Number: 75 - 5101. Features include 44.63% more airflow, a 99.25% Efficiency Rating, direct bolt - in installation, and it's street - legal in all US states. Note: Check the eighth digit of your VIN to see if your vehicle is an LB7 or LLY. If it's a 1, you need this 75 - 5101 kit; if it's a 2, you need the 75 - 5102 kit. Also, there are ISO 5011 Results available.

Using this S&B Cold Air Intake Kit is easy. First, it's a direct bolt - in installation, so you can quickly replace your old intake with this new one. When choosing a filter, if you mainly drive on city streets and highways, go for the Cleanable filter. You can clean it with the S&B Cleaning Kit when it gets dirty. If you often drive in dusty areas like logging roads or the bush, pick the Dry Filter. You can extend its life by using compressed air to blow out the dust, and just dispose of it when it's no longer useful. As for maintenance, regularly check the silicone seals for any signs of damage. Make sure the airbox is always clean and free of debris. And don't forget to check your VIN to ensure you have the right kit for your vehicle.