The K&N Aircharger Performance Intake is perfect for owners of 2003 - 2004 Toyota Tundra V8 - 4.7L vehicles who want to enhance their engine's performance. Whether you're on a long highway drive or just commuting in the city, this intake will give your truck more power. The system comes with a high - density polyethylene tube and a washable, reusable high - flow air filter. It's easy to install, taking less than an hour. Just be aware that in California, some intakes may not be legal for pollution - controlled vehicles.