K&N 12-21 Toyota Tundra V8 5.7L NextGen Cold Air Intake

This K&N NextGen cold air intake system is what you get when you want to help your Toyota Sequoia or Tundra V8 5.7L breathe easier. Inside the box, you'll find the custom-molded high-density polyethylene (HDPE) tube, a unique NextGen air box designed to shield the filter from engine heat, and K&N's well-known washable, reusable High-Flow air filter. This setup is designed to increase the volume of air going into your engine, which can lead to more power and better throttle response.

The HDPE tube is shaped to help improve airflow volume by a notable 60.4% over the stock setup. This improved airflow is what helps the system add an estimated 14.2 horsepower and 35.3 torque, and it's designed to work without needing an engine tune. The included High-Flow air filter uses oiled cotton media and has an oversized, conical shape, meaning you can often go up to 100,000 miles between cleanings under normal highway driving. The custom air box is a key part of this design, helping to keep the incoming air cooler by blocking heat from the engine bay, which is crucial for performance.

Installation is typically straightforward and can often be completed in under an hour, making it a popular upgrade for owners looking to get more out of their 5.7L V8. K&N backs this intake with a Lifetime Limited Warranty, which also helps preserve your factory warranty.