The K&N 57 - 9027 FIPK air intake system is perfect for those who own a 2005 - 2006 Toyota Tundra or Sequoia V8 - 4.7L and want to enhance their vehicle's performance. Whether you're cruising on the highway or taking your truck off - road, this intake system will give your engine the extra power it needs. It replaces the factory air filter and tubing, and the custom - molded air filter fits right into the factory air box. It's easy to install and doesn't require any special tools. With a long - lasting air filter that can go up to 100,000 miles before servicing, it's a great investment for your vehicle.