Using this HKSTUDIE exhaust on your BMW G80/G82 Comp is easy. Just follow the installation instructions that come with the product. Make sure all the connections are tight to avoid any leaks. When driving, you'll notice an immediate improvement in your vehicle's performance. As for maintenance, check the exhaust regularly for any signs of damage or corrosion. If you live in an area with a lot of salt on the roads during winter, wash the exhaust more frequently. Also, don't use any abrasive cleaners as they can scratch the surface. By following these simple steps, you can keep your exhaust in great condition for a long time.