I have a dilemma. My wife is cool with me supercharging the 5.0, as long as I don't kill the gas mileage under normal driving. She likes for us to take trips in it to the beach, her families mountain house and so on. I think the paxton style would do better than the roush. But I need real life data. Can you guys post up your results. Mine is a '12 A6 convertible.