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Check out our Universal Magnet Mount to securely mount your Big Boss Performance Tuner within the cab of your truck
and Paccar Engines
and Monitoring capabilities in one easy to use handheld unit
loosen and carry away dirt and contaminants
making a much better opening to pour the oil in smoother and easier
CUMMINS ISX INTAKE MANIFOLD CM871 cummins-x12-esr6754990 Check out our Universal MagnetAvailable for: 2008 2010 Cummins ISX15 Engine Warranty: 1 Year Unlimited 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