Using the DC Sports Cold Air Intake for your 2012 - 2015 Honda Civic 1.8L is a breeze. First, gather all the hardware that comes with the kit. You won't need to cut or modify anything on your car. Just follow the included instructions to replace the old intake pipe with the new smooth aluminum tubing and attach the high - flow air filter. When it comes to maintenance, check the air filter regularly. If it looks dirty, you can clean it following the cleaning guide provided. As for usage, you'll notice an immediate improvement in throttle response and overall performance. But remember, always drive safely and within the speed limits.