WCFAB 2003-2007 5.9L Cummins High Flow Intake Bundle KitPowdercoat colors can be found here! High Flow Intake Bundle Package for 2003 2007 5. 9L Cummins. Saves $50. 00 vs buying all components individually! This Kit Includes: WCF100544 3" Passenger Side Intercooler Pipe WCF100528 3. 5" Driver Side Intercooler Pipe and Intake Horn Kit WCF100346 4" Intake Kit ***2003 2004 models only The 3. 5" intake horn in this kit is significantly larger than the stock piece it is replacing. The smooth radius bend on the