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The HPX results in a more balanced High Pressure Oil system with fewer pressure spikes. In most trucks, the elimination of ICP spikes and balancing of pressures in the HPO Rails smooths out the operation. It makes the engine quieter at idle too.
Rezvani's Latest Post-Apocalyptic Monster Is a Ford F-150 Raptor Underneath
Slideshow: Called the Fortress, the 850-horsepower pickup combines Raptor underpinnings with military-inspired features, survival equipment, and a starting price of $285,000.
