PDI Big Boss Stage 1 Performance Kit for CAT C15 ACERT X15 EXHAUST When your ISX engine needs

When your ISX engine needs an in-frame refresh

(1) Oil Pan Gasket

Precision Casting and Machining: Each crankshaft is forged and machined to ensure perfect fitment and optimal operation

The Series 60 Non-EGR Exhaust Manifold has been designed to maximize the exhaust air flow to reduce turbo lag time and reduce exhaust temperatures

PDI Big Boss Stage 1 Performance Kit for CAT C15 ACERT X15 EXHAUST When your ISX engine needsKit Includes: Big Boss Performance Tuner with Mount Big Boss Polished Exhaust Manifold Exhaust Manifold Install Kit Stainless Manifold Spacer Kit Available for: 2004 2010 CAT C15 Acert Engines Warranty: 1 Year Unlimited Mile Warranty PDI Big Boss Performance Packages are put together with performance, efficiency, and savings in mind. The Big Boss tuner combined with our high performing exhaust manifold delivers power while allowing better exhaust flow