Mishimoto MMICP-RAM-10BK Dodge 6.7L Cummins Intercooler Pipe and Boot Kit, 2010-2012, Black Direct fit for 2010-2012 Dodge 6.7L Cummins Pipe Construction: Mandrel-Bent Aluminum Hot-Side Diameter: 3.0" Cold-Side Diameter: 3.5" Improves airflow, power, and EGTs No additional tuning required Mishimoto Lifetime Warranty