Using your DC Sports air filter is easy. First, find the old air filter in your vehicle's intake system. Remove it carefully and then attach the new DC Sports air filter to the intake tubing using the provided clamp. Make sure it's securely fastened. As for maintenance, check the filter regularly. If it looks dirty or clogged, it's time to clean it. You can clean it with a suitable air filter cleaner. When cleaning, follow the cleaner's instructions. Also, make sure the filter is completely dry before reinstalling it. And always store the filter in a dry place when not in use.