Removes regen braking Allows faster speeds Superior to speed harness jumper devices Simple install Fits PDS carts only 2000-2012 with 1206 controller only EZGO TXT PDS carts 2000-2012 only. Some 2012 models are not compatible, ask before purchasing. Does not work on series drive carts. Only works with controller 1206. Does NOT work with controller 1206HB or newer models. Allows cart to run to it's maximum mechanical potential. Works better than factory jumper harnesses such as freedom harness. Typical speeds are 19-20 mph. Lifted vehicles see slightly higher speeds. Top Speed depends on multiple factors including but not limited to batteries, alignment, tire pressure and alignment. It is the buyer's responsibility to know and follow all laws and statutes for their area of residence. That means you should review, understand and follow all Federal, State and local laws, statutes and ordinances regarding golf carts and their performance. We live in an absurdly litigious society these days where no one wants to be responsible for their own actions and the consequences thereof. As such we must include the following: Many vehicles are used for a variety of tasks beyond the original intended use of the vehicle; therefore, it is impossible to anticipate and warn against every possible combination of circumstances that may occur. No warnings can take the place of good common sense and prudent driving practices and good common sense and prudent driving practices do more to prevent accidents and injury than all of the warnings and instructions combined.