MAP, O2, and fuel pressure sensors. The Pro-Flo 4+ ECU provides mounting versatility with a compact weather-resistant housing and features a unique self-learning capability that adjusts the fuel map as you drive, providing optimum performance with no need for laptop tuning or costly dyno sessions. Setup is quick and easy thanks to Edelbrock's E-Tuner 4 software for Android tablets and smartphones. Pro-Flo 4+ for the 2005-2007 Gen III Hemi uses a speed-density fueling strategy with an included MAP and IAT sensor. A non-adjustable Alternator Control is set to regulate at 14.5 volts, and the system is SRV calibrated for 4,800 RPM, also not adjustable. The Pro-Flo 4+ system works with factory intake manifolds as well as most aftermarket intakes including Edelbrock and FAST. Short runner valve actuation is supported. Minimal tuning adjustments are required when the provided base calibration is used, giving you great performance right out of the box. Pro-Flo 4+ is covered by a 2-year warranty and is backed by the industry's most extensive technical support team.