Putting a supercharger on your wife’s daily driver isn’t necessarily something most (sane) people would do. However, that’s precisely what Alex, the host of the LegitStreetCars Youtube channel, has done—telling his wife that he would need the car for two days to do some maintenance on it. During those 2 days, he and his friend Peter installed a Magnuson 2650 supercharger, cleaned the engine, and replaced the spark plugs to greatly improve the performance of her fourth-generation Cadillac Escalade. Perhaps he didn’t want to wait for the upcoming Escalade-V? Before the build could start, Alex to…