JB4 Tuner for 2019+ Audi RS6, RS7, SQ7, SQ8, S8 (4.0T Only) - Burger Tuning s60 When the ECU detects that

When the ECU detects that the intake air temperature (IAT) becomes too high

we can only guarantee correct fitment with ARM N54/N55 Charge Pipes)

0L Twin-scroll Turbocharged I4

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JB4 Tuner for 2019+ Audi RS6, RS7, SQ7, SQ8, S8 (4.0T Only) - Burger Tuning s60 When the ECU detects thatPower gains from 70hp and 100tq to the wheels on a stock vehicle without the risks of flashing! Power gains of up to 120whp and 160wtq bring the car to life allowing 1 4 mile potential deep into the 10s. Unlike other generic tuning devices, the JB4 includes full CANbus integration via the OBDII port for advanced tuning, safety features, and diagnostics, as well as electronic wastegate control for superior boost targeting. This is simply the best