NEUSPEED's Power Module EVO for the RS 6 C8 (MLBe, EA825 4.0T) is a plug-in module that works alongside the factory ECU. NEUSPEED states there is no ECU flash, no cutting or splicing, an installation time under 30 minutes, and that it is reversible.
The module reads boost pressure, manifold air pressure and camshaft position. You choose a map from your phone (Stock, Valet, Touring, Sport or Race) and can adjust the output for your fuel grade and altitude. NEUSPEED claims +70 horsepower for the RS 6 C8.
Emissions: NEUSPEED lists the CARB status as "CARB EO Pending (50-state compliance in progress)."
