Cold Air Intake for 2007-2009 Dodge Ram Cummins 6.7LMAXIMUM PERFORMANCE Our cold air intake for the 2007 2009 Dodge Ram Cummins 6. 7L was engineered to minimize air restriction and flows 37. 06% better than stock. This kit comes with a fully enclosed airbox that protects the filter from dirt and keeps out engine heat. PROTECT YOUR ENGINE 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