The PowerBox VP works by modifying the electronic signals that control fuel pressure produced by the VP37 pump in order to optimize engine performance. The PowerBox VP increases fuel pressure at the pump to compensate for lost pressure as fuel is distributed to each injector. The increased pressure enables injectors to respond faster during acceleration. While actual injection pressure is not increased, the pressure required to activate injectors is readily maintained. Product Overview: For Diesel engines equipped with the VP37 pump Up to 30% power enhancement without affecting emissions Improved fuel efficiency (an average of 2.5 MPG!)No interference to the Electronic Control Unit (ECU); original settings are not altered Uses OEM plugs (no soldering required); available with either 8-pin or 10-pin original VAG (Volkswagen Audi Group) connectors Will not harm your engine, does not increase injection pressure Will not alter engine diagnostics functioning Will not interfere with engine error code sensingDoes not change the service intervals required for your vehicle3-year limited warranty Installation Instructions included Power adjustment settingThe PowerBox VP has an adjustment screw that has been pre-set to provide a modest improvement. However, most vehicles require a higher setting to achieve optimal power gains. The unit can be easily adjusted by using a small screw driver. When making inquiries or purchases please ALWAYS provide the following information...make modelengine size/typeHP/bhp/PSkilowatts (kw)ft lbs torque/NM year
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