APR Plus ECU Software Flash Tuning Audi C8 S6 and S7
The APR Plus ECU Upgrade typically raises the power output of the 2.9T to 479 horsepower and 467 lb-ft of torque on 91 octane fuel with peak gains of 56 horsepower and 88 Lb-ft of torque! Expect improved throttle response and a smoother, more powerful top end with no loss of drivability or reliability.
APR's Plus program includes a supplemental limited powertrain warranty from APR which matches the terms of your remaining Factory Powertrain Warranty. For the remainder of your OEM warranty period if you have a warranty claim which is rejected by the manufacturer due to the APR plus tune the APR warranty will then allow the car to be repaired under the APR Warranty at Achtuning or any other APR Plus dealer nationwide.
All APR ECU software comes with lifetime free updates (labor charges may apply). APR provides a lifetime warranty against defects in the software. All APR ECU upgrades have a 30-day Money Back Guarantee.