T.I. Performance J3 v4 Is Here!

We’re proud to announce that the T.I. Performance J3 v4 is here!

• Full ground up redesign completed in Australia with new components & logic
• New single board layout with tighter J3 connector
• Full backwards & forwards compatibility with all existing models, programmers, and tune switches
• Extensive testing across many models, states, and countries.

The T.I. Performance J3 v4 can be purchased from any T.I. Performance J3 Tuner, or here.