Using the Tomioka TD05 - 20G turbocharger is straightforward. First, make sure your vehicle is turned off and cooled down. Then, remove the old turbocharger and install the new one using the included hardware kits, oil pipe, and water pipe. The gaskets ensure a proper seal. When you're driving, you'll notice a significant boost in power, especially at mid - to - high speeds. As for maintenance, check the oil and water connections regularly to make sure there are no leaks. Also, keep an eye on the actuator to ensure it's functioning properly. If you notice any unusual noises or a drop in performance, it's a good idea to have it checked by a professional. Remember, this turbocharger is designed for high - performance, so give it the care it deserves to keep it running at its best.