The K&N NextGen cold air intake for 2021–2024 Ford F-150 (3.5L V6) is engineered to boost airflow using molded HDPE tubing, with cited increases of 24.6% (driver) and 33.25% (passenger) that correspond to an advertised 27.20 horsepower and 40.29 torque gain without tuning. It includes a washable, reusable High-Flow lifetime filter and a NextGen air box to reduce heat soak; most installs take under an hour and K&N offers warranty support.
K&N 21-24 Ford F150 (3.5L V6) NextGen Cold Air Intake