Using your DC Sports Cold Air Intake is easy. First, gather all the hardware that comes with the kit. You don't need to cut or modify anything. Just follow the included instructions to replace the old OEM rubber intake pipe with the new smooth aluminum tubing and attach the high - flow air filter. As for maintenance, check the air filter regularly. If it looks dirty, you can clean it following the cleaning instructions provided. When driving, there aren't many special precautions, but avoid driving through deep water as it could damage the intake system. Overall, with proper use and maintenance, this intake will keep your 2016 - 2021 Honda Civic 1.5L running great.