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Big Boss Performance Intake Manifold
The gradual angles of the manifold have been built to reduce swirl rate resulting in cooler exhaust temperatures by 75-100 degrees
EO # D773-3 on Model Years 2010 and Newer
PDI Big Boss Cummins ISX/X15 Stage 2 Cylinder heads are meticulously designed to surpass the most demanding expectations
Detroit DD Series
PDI CAT OIL COOLER GASKET KIT FOR 3406/C15/C16 X15 Tuner Big Boss Performance Intake ManifoldAvailable for: 1989 2008 Cat 3406, C15, and C16 Engines Key Benefits Premium Gasket Material Complete Oil Cooler Reseal or Installation Kit Big Boss Quality Warranty: 1 Year Unlimited Mile Warranty PDI CAT Oil Cooler Gasket Kit for 3406 C15 C16 features premium gaskets and orings that are expertly made to PDI's renowned Big Boss quality and fitment for optimal performance.