Using your DC Sports header is straightforward. First, make sure your car is turned off and cooled down. Then, carefully attach the header to your OEM equipment as it's designed to bolt right on. It's a quick and easy installation process. When driving, you'll notice improved power and performance. As for maintenance, keep an eye on the welds periodically. If you see any signs of rust or damage, it's a good idea to clean and treat the affected areas. And since it's C.A.R.B certified, you don't have to worry about legal issues when using it in any state. Just enjoy the enhanced performance of your 94 - 01 Acura Integra.