aFe Bladerunner 3in Intercooler Tube Out 03-07 Dodge Diesel Trucks L6-5.9L (td)The aFe Power 3 1 2 intercooler tube represents the next generation of Diesel performance products. This intercooler tube transitions from a 3 1 2 diameter to 3 to fit the factory intercooler for an improved response. This kit comes complete with a 3. 5 mandrel bent powder coated stainless steel tube and 4 ply heavy duty silicone couplings and constant tension T bolt clamps to ensure maximum performance and a secured fit. This Part Fits: Year Make