The HPS fuel controller designed by Dobeck, is the most popular fuel solution on the market. Preprogrammed for Stage 1 modifications (Intake & Exhaust upgrades) makes it the #1 EFI controller to plug and play fuel solution for great performance and install to riding time. The HPS Active Tune Programmer offers simple on-the-fly adjust-ability and access to 6 modes of adjustment using three push buttons. On board load based technology which takes into account changing loads for various riding conditions and provides a smooth dynamic tune up that breaks the drive cycle into 3 main adjustment zones instead of filling in an entire TPS vs RPM fuel grid. Combine the HPS Performance Insert with our new HPS Active Tune Programmer and add an additional +2 HP, total of +6 HP. Pre-programmed for the HPS YXZ Performance Insert for optimal performance. Easy, push button adjust-ability for any future modifications and climate change.