JB4 Tuner For 2021+ MK8 Golf R, Audi S3 8Y, Audi SQ2 - Burger Tuning Select:JB4PRO Adapter (Uses Free JB4PRO App) therefore increasing IAT's

therefore increasing IAT's

which is also a very common problem on the N54 Engine

and close the top hat—you are ready to go

Heating and A/C

By far the most universal product on our site

JB4 Tuner For 2021+ MK8 Golf R, Audi S3 8Y, Audi SQ2 - Burger Tuning Select:JB4PRO Adapter (Uses Free JB4PRO App) therefore increasing IAT'sThe JB4 is a true user adjustable plug and play solution. Power Gains: Starting at peak 370bhp and 380ft lb. The JB4 features CANbus connectivity for more advanced tuning, direct AFR control, advanced safety systems for boost, air fuel ratio, fuel trims, and engine knock, boost mapping by gear for improved traction, integrated water meth control, and much more. The unit can be used with our JB4 Bluetooth Connect kit providing for full in car engine