Dynojet Quickshifter Expansion Module For Indian Challenger If you are looking to extract the maximum performance from your Challenger, a Quick Shifter is a must. The Dynojet Quickshifter module utilizes a pressure sensor on the shift rod that communicates to your Power Commander when you are making full-throttle upshifts, so that it can halt fuel delivery for a split second preventing over-revving and keeping your RPMs maximized. Minimize hand fatigue and increase shift speed with the Dynojet Quick Shifter Kit, made for the Indian Challenger. Features: Make the most of your Power Commander Plug and play installation Provides the fastest, full-throttle upshifts Note: Power Commander Fuel Tuner required for installation.