The PowerBox CRplus works by modifying the electronic signals that control fuel pressure produced by the pump in order to optimize engine performance. The PowerBox CRplus senses and responds to changes in engine load/speed throughout the range of acceleration. With the PowerBox CRplus, pressure accumulates faster in the rail and is readily maintained to deliver more power and torque. The result is smooth and responsive acceleration that produce sportier handling. The increased torque produced by the PowerBox enables the engine to operate more efficiently, so fuel consumption is minimized. The PowerBox CRplus has been programmed for optimal performance. Despite its potential for tremendous power improvement, the PowerBox CRplus has been programmed to provide better fuel efficiency.Product Overview- For all vehicles with Common Rail Technology- 25% - 55% greater performance than our standard PowerBox CR- Improved fuel efficiency (an average of 2.5 MPG!)- Includes OEM plugs (no soldering required)- No increased emissions- No interference to the Electronic Control Unit (ECU); original settings are not altered- Will not harm your engine, does not increase injection pressure - Will not alter engine diagnostics functioning- Will not interfere with engine error code sensing- Does not change the service intervals required for your vehicle- 3-year limited warrantySignal Variation Switch The digital PowerBox CRplus has an Signal Variation Switch with 16 effective settings. The unit can be easily adjusted by using a small screw driver.
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