WCFAB 2013-2018 6.7L Cummins Driver & Passenger Side 3.5" Intercooler Pipe KitPowdercoat colors can be found here! The High Flow Driver and Passenger Side Intercooler Pipe Kit for 2013 2018 6. 7 Cummins replaces the poorly flowing, small diameter, crushed, factory pipes with our high flowing 3. 5 Diameter Pipes. Kit includes upgraded high quality silicone boots that withstand higher pressure and temperatures than the factory boots to increase reliability and eliminate blown factory boots. Available in a wide array of powder