Performance Tuners

Performance Tuners for Power, Response, and Control

Performance Tuners at JB Tools are designed to unlock horsepower, torque, and throttle response by adjusting your vehicle’s engine settings. This category includes handheld programmers, inline modules, and app-based tuners made for cars, trucks, and SUVs. Performance Tuners help improve fuel mapping, shift points, and speed limiters, giving you control over how your vehicle performs on the street or off-road. Easy to install and built for real gains.