Using this DC Sports ceramic header is easy. Just follow the standard installation steps provided in the manual that comes with the product. Make sure all connections are tight and secure. When driving, you'll notice improved performance right away. As for maintenance, it's a good idea to check the header periodically for any signs of damage or loose parts. You can clean it with a mild automotive cleaner. Avoid using harsh chemicals as they may damage the ceramic coating. Also, if you live in an area with a lot of salt on the roads, give the header a thorough rinse after winter to prevent corrosion. And always remember, since it's C.A.R.B certified, you can use it legally in all 50 states without any worries.