Wirelessly connect your JB4 to your phone!
For JB4 systems produced 2017 and later. Please check board diagrams to properly identify your JB4 before ordering. For use with JB4 only
Gain up to 84 horsepower and 108 lb-ft of torque on 93 Octane
This tune can be performed at home with the included UniCONNECT+ cable. Only available for purchase in th
Gain up to 84 horsepower and 108 lb-ft of torque on 93 Octane
This tune can be performed at home with the included UniCONNECT+ cable. Only available for purchase in th
Gain up to 72 horsepower and 88 lb-ft of torque on 91 Octane
This tune can be performed at home with the included UniCONNECT+ cable. Only available for purchase in th
Gain up to 72 horsepower and 88 lb-ft of torque on 91 Octane
This tune can be performed at home with the included UniCONNECT+ cable. Only available for purchase in th
Gain up to 182 horsepower and 139 lb-ft of torque on 93 Octane
This tune can be performed at home with the included UniCONNECT+ cable. Only available for purchase in th Requires IS38 Turbo Upgrade in addition to other hardware upgrades. Please see description for details.
Gain up to 131 horsepower and 125 lb-ft of torque on 93 Octane
This tune can be performed at home with the included UniCONNECT+ cable. Only available for purchase in th Requires IS20 Turbo Upgrade in addition to other hardware upgrades. Please see description for details.
Optimized responsiveness and smoothness, increased rev limiter, launch control at 3600 RPM, and more!
This tune can be performed at home with the included UniCONNECT+ cable. Only available for purchase in th
Gain up to 131 horsepower and 125 lb-ft of torque on 93 Octane
This tune can be performed at home with the included UniCONNECT+ cable. Only available for purchase in th Requires IS20 Turbo Upgrade in addition to other hardware upgrades. Please see description for details.
Higher RPM limit, faster shifts, optimized shift points, and adjustable launch control
Buy Integrated Engineering Software from 9/3/26 - 9/30/26 for a chance to win your Software for FREE! Perform tune in minutes from the comfort of your own driveway! Only available for purchase in the United States and Canada.
If you've upgraded your car or just want a bit more power from your stock vehicle, performance engine software helps maximize your car's potential by letting it know just where the limits are. Improve your driving experience with upgraded performance engine software from our selection of elite software tuners.
Lifetime Replacement
