STOCK = 420, 450BHP —–) TUNED = 541BHP
STOCK = 405 ft/lbs —–) TUNED = 591ft/lbs
Audi’s 4.0 TFSI is mighty in the S6, S7 and S8. However much power was left on the table to allow room for the RS models. VelocityAP’s software unlocks nearly 100BHP and huge torque, without overtaxing the engine.
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