Emissions Notice: This product isn't CARB - exempt currently. So, it can't be bought in California or used on vehicles registered with the California DMV. This aFe Momentum Black Series Carbon Fiber CAIS with Pro 5R Filter is a perfect fit for 2017 - 2021 Honda Civic Type R models. It offers high - performance filtration and enhanced engine efficiency.

Using this product is straightforward. First, make sure your vehicle is turned off and cool. Then, carefully install the CAIS with the Pro 5R filter according to the provided instructions. It's made to fit your 2017 - 2021 Honda Civic Type R perfectly. When it comes to maintenance, check the Pro 5R filter regularly. If it's dirty, clean it as recommended by the manufacturer. Keep in mind that this product is not for use in California due to emissions regulations. Always follow the local laws and regulations when using this product.