Using your Injen Power - Flow Short Ram Intake is easy. First, make sure your engine is off and cool. Then, simply follow the included instructions for a direct - fit installation. You'll be up and running in no time. When it comes to maintenance, check the air filter regularly. If it looks dirty, clean it according to the instructions in the manual. This will keep your intake system working at its best. Also, always make sure all connections are tight to prevent any air leaks. As for the warranty, remember that it's there to give you peace of mind, so enjoy your Injen intake worry - free!