Using this Injen cold air intake is easy. First, make sure your engine is off and cooled down. Then, carefully install the intake according to the included instructions. It's designed to fit your 2004 - 2008 Acura TSX Base. When using your car, you'll notice the improved performance right away. For maintenance, check the Injen SuperNano - Web dry air filter regularly. You can clean it as needed to keep it working well. If you're not sure how to clean it, refer to the included cleaning guide. Also, keep an eye on the overall intake system for any signs of damage or loose parts. If you find any issues, contact Injen's customer service. Remember, this intake comes with a limited Lifetime Warranty, so you can have peace of mind.