JB4 Tuner for 2019+ Audi RS6, RS7, SQ7, SQ8, S8 (4.0T Only) - Burger Tuning s60 Velocity stacks allow even more

Velocity stacks allow even more air to be smoothly sucked into your intake system

a Check Engine Light (CEL) may appear due to the removal of the OEM catalytic converter

(Rated for 850whp on 100% E85)

0L Twin-scroll Turbocharged I4

The ARM S55 Single Midpipe starts at the downpipe connections with a precision Y-pipe

JB4 Tuner for 2019+ Audi RS6, RS7, SQ7, SQ8, S8 (4.0T Only) - Burger Tuning s60 Velocity stacks allow even morePower 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