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Give your vehicle a generous rinse
Leaving less than 1" of space between the shield and pipe
PDI Big Boss Intake manifolds are built to increase performance and balance the air going into the engine
Application
Big Boss performance radiators for Peterbilt 389 models feature a dimpled tube design to allow coolant more time to cool properly for more demanding applications
PDI Big Boss Stage 1 Performance Kit for CAT C15 ACERT big boss cylinder head Give your vehicle a generousKit 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