APR’s Engineering Teams have finished final testing of new version 2.0 Stage I and Stage II 2.5 TFSI ECU Calibrations for the Audi TT RS and RS3. The new ECU Upgrade improves upon low to mid range torque on top of what was previously a tremendous upgrade over stock. Amidst addressing all previous concerns, additional motorsport features were added to further enhance your driving experience. All updates are now available at APR dealers around the globe. Read More