Performance Tuners

Performance Tuners for Power, Response, and Control

Car performance parts and accessories include tuning solutions that give you direct control over engine calibration and vehicle response. This selection features handheld programmers, ECM upgrade kits, calibration devices, and compatible interface cables designed for supported gas and diesel applications. Ideal for performance shops and experienced enthusiasts, these tools allow adjustments to fueling, shift behavior, tire size settings, and other parameters to match your build.

Pair your setup with throttle controllers for sharper pedal response and added control. Support higher output goals with a properly matched turbo system to complement your tuning changes. JB Tools offers fast shipping, plus free shipping on orders over $99, so you can upgrade your vehicle with confidence and get results faster.