K&N Custom Racing Air Filter - Rectangular Carbon Fiber 4in Air Box w/ 2.75in Air Horn

K&N's Generation 2 Carbon Fiber Air Boxes are a game - changer for racers using traditional multi - Siamese stacks. These air boxes are incredibly lightweight yet built to last. Made from ultra - lightweight carbon fiber, they offer excellent air flow for all your racing needs. The included air horn seals ensure a tight fit, making installation a breeze. Just like all K&N air filters, these air boxes are washable and reusable. Simply use K&N cleaner and oil to keep them in top shape.

Using your K&N Generation 2 Carbon Fiber Air Box is easy. First, install it in your racing vehicle following the included instructions. Make sure the air horn seals are properly in place for a good seal. When it comes to maintenance, regularly check the filter for dirt and debris. If it looks dirty, it's time to clean it. Use K&N cleaner to gently wash the filter, then let it dry completely. After that, apply K&N oil to the filter as directed. Avoid using harsh chemicals or tools on the filter as this could damage it. With proper care, your air box will serve you well for many races.