This intake kit is for 2003 - 2007 Dodge vehicles with a 5.9L Cummins engine. To use it, first make sure your vehicle matches the compatible model. Then, install the 4' intake, dry air filter, and use the provided hardware to mount the MAF sensor. Attach the outerwear's pre - filter cover and secure everything with the silicone boot and clamps. When it comes to maintenance, regularly check the dry air filter. If it's dirty, clean or replace it according to the manufacturer's instructions. Remember, this product is not in stock, and it may take 40 or more business days to arrive. Be patient while waiting for your kit to come.