I'm finally getting to performance end of things and find that there is no such thing as im sure you have all found aswell. So Im starting with knowing what the engine was doing. I got this carware car diagnostic scanner and its sick fr. Its just a plug you put in your obd2 port and you download an app and can know what everything is doing. And I mean everything. A must get for literally every car. And you can turn your phone into a dash top display with just a mount.