Audi's 4.0 TFSI is mighty in the RS6, RS7 and RSQ8. However much power was left on the table. VelocityAP's software unlocks nearly as much as 168BHP and huge torque, without overtaxing the engine.

STOCK = 500, 563, 591BHP —–) TUNED = 668BHP

STOCK = 568, 590ft/lbs —–) TUNED = 685ft/lbs