JB4 Tuner For Audi RS3 8Y, RS3 8V2, TTRS 8S - Burger Tuning Select:JB4PRO Adapter (Uses Free JB4PRO App) Free Flow Solid No Restriction

Free Flow Solid No Restriction Design

heat isolating airbox bottom

the ability to grow with your build

Each component is precisely crafted to integrate with your BMW’s OEM turbo inlets

5 liters per minute): This configuration combines a primary Walbro 450 (F90000274) and a secondary Walbro 525 (F90000285)

JB4 Tuner For Audi RS3 8Y, RS3 8V2, TTRS 8S - Burger Tuning Select:JB4PRO Adapter (Uses Free JB4PRO App) Free Flow Solid No RestrictionPower 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,