Dynojet Power Commander PCV 2004-10 Suzuki GSXR600, 20-005. Dyno Jet Power Commander PCV is a Fuel Injection adjustment unit that plugs "inline" with the motorcycle's stock ECU. Most installations take less than 15 minutes, some as little as 5 minutes. Changes are made to the bikes fuel and ignition curves via the Dyno Jet Power Commanders onboard microprocessor. Using this technology we are able to offer a large area of adjustment without making any permanent changes to the bikes' ECU (electronic control unit). Removing the Power Commander PCIIIusb returns the bike to its previous stock condition. The DynoJet Power Commander PCV can be ordered preprogrammed with a your choice of several settings, based on the modifications to your bike. The DynoJet Power Commander PCV also comes complete with software and cable link that allows you to change between different maps or make adjustments to a map file.