Your Audi’s 3.0TFSI supercharger can be achieve higher levels of performance with a variety hardware upgrades. APR Tuning offers an upgraded pulley for the supercharger itself, as well as at the engine crank. These pulleys will safely increase the spin rate of the supercharger, in turn producing a significant increase in horsepower and torque. Installing only the APR supercharger drive pulley will increase spin rate by 9.5%. The crank pulley will increase the supercharger’s spin rate by 15.4%, and the combination of the APR dual pulleys will increase it by 26.4%. Each belt or the combination of both belts requires an APR supercharger belt.