S&B cold air intake for the 2003-2007 Dodge Ram Cummins 5.9L was engineered to minimize air restriction and flows 42% 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.