WAKE UP YOUR BRONCO! JB4 Tuner for 2021 + Ford Bronco Install/Testing!


Today, we show you how to install the JB4 Tuner on your 2021+ Ford Bronco, whether you have a 2.3L or 2.7L, this device will work and is the perfect, easy, and simple way to wake your truck up!

All you need for install is…

  • The JB4 (And any accessories you option for)
  • Zip Ties
  • Sharp Knife
  • Heavy Duty, Weather Resistant, Double-Sided Tape
  • 2.5 MM Allen key (If you have the Wireless Connection Kit)