Aston Martin V8 Vantage ECU Tune (4.3)Our Aston Martin V8 Vantage ECU tune was developed on the dyno in a controlled environment and validated in a variety of conditions during more than a year of testing. Most importantly, we prioritize reliability over all other factors, which has resulted in uniquely noticeable, repeatable improvements. Behavior can be categorized as OEM plus ideal for both stock and lightly modified naturally aspirated engines. Typical power gain with our tune is