JB4 Tuner For Audi RS3 8Y, RS3 8V2, TTRS 8S - Burger Tuning Select:JB4PRO Adapter (Uses Free JB4PRO App) This upgrade features full 2

This upgrade features full 2

Free Flow Solid No Restriction Design

JB4 Optional Phone Software

• Up to 60hp on a stock vehicle

4' F36 Gran Coupé LCI   (05/2016+

JB4 Tuner For Audi RS3 8Y, RS3 8V2, TTRS 8S - Burger Tuning Select:JB4PRO Adapter (Uses Free JB4PRO App) This upgrade features full 2Power gains of up to 100whp and 100wtq! The JB4 is an easy to install plug and play tuner that attaches to sensors in the engine bay and works with your factory ECU tuning to remap boost, timing, and fueling for optimal performance and reduced turbo lag. Includes full SENT sensor technology required for properly tuning the latest Audi platforms. Includes full CANbus allowing the JB4 to access and incorporate all engine data in its tuning strategies,