Audi RS6 Avant Transformed Into 700-HP Weapon

After being forbidden fruit for far too long, the Audi RS6 Avant has finally arrived in America, combining wagon practicality with supercar performance. In standard spec, the RS6 Avant's 4.0-liter twin-turbo V8 generates 591 horsepower and 590 lb-ft torque, which is more than enough power for most people's needs. However, it didn't take long for aftermarket tuners to extract more power from Audi's super wagon.

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