PDI Big Boss Intake Manifold for Cummins ISX 03-07 Included with the kit:

Included with the kit:

Direct OEM replacement

PDI High Quality replacement series low pressure turbo for C15 Acert engines

5 - 2010 Caterpillar C15 Acert Engines

PDI Big Boss Intake Manifold for Cummins ISX 03-07 Included with the kit:Available for: 2003 2007 Cummins ISX15 Engine Warranty: 1 Year Limited Mile Warranty Factory intakes are designed in such a way that restricts the clean air flow to the engine and allow for more exhaust air (EGR) to reach the intake. The Big Boss Intake is made to allow up to 15 percent more clean air into the engine while still mounting in the factory position with the factory hardware. We do this by eliminating the necked down design that the