Sportec hits back with their latest performance package for the Audi S5 (coupe and cabriolet models). Dubbed as the Stage One, the package consists of a free flowing air filter element and a carefully developed ECU remap. With this upgrade the engine (3.0-liter supercharged V6 TFSI) is capable of producing 425 hp and 520 Nm of torque (an increase of 97 hp and 80 Nm), allowing the car to accelerate from 0 to 60 mph in just 4.6 seconds. The Sportec Stage One upgrade is priced at 1,950 GBP (about $3,000). [TopSpeed]
