Using this Eibach Anti - Roll Kit is easy. First, make sure your car is parked on a flat and stable surface. Refer to the included instruction manual to remove the old stabilizer bars carefully. Then, install the new front and rear stabilizer bars from the kit using the provided mounting hardware. Tighten all the bolts properly, but don't over - tighten them. When driving with the new kit, you'll notice the difference right away. As for maintenance, it's a good idea to check the mounting hardware every few months to ensure they're still tight. If you notice any unusual noises or handling issues, stop driving and check the kit for any signs of damage. Keep the stabilizer bars clean to prevent rust and corrosion. With proper use and maintenance, this kit will serve you well for a long time.