K&N Engineering 57 FIPK Air Intake for Increased Airflow with HDPE Tube

K&N 57 FIPK High-Flow Air Intake with HDPE Tube Brand: K&N Engineering The K&N 57 FIPK air intake upgrades factory airflow with a rotationally-molded HDPE tube and an oversized conical High-Flow air filter to deliver measurable horsepower and torque gains. Engineered for performance and durability, this complete intake system improves throttle response while maintaining reliable filtration. Key Benefits Increased airflow: HDPE tube design expands air volume for better engine breathing. Performance gain: Guaranteed increases in horsepower and torque when properly installed. Durable filter: Washable, reusable oiled cotton media—reduces waste and long-term cost. Long service interval: Oversized conical filter allows up to 100,000 miles between services under normal highway driving. Heat protection: Custom heat shield minimizes hot engine bay intake air for cooler, denser combustion. Quick install: Typical installation in under 90 minutes with basic tools. Notes & Compliance Some K&N 57 FIPK systems are not legal for sale or use on pollution-controlled vehicles in California. Check the specific part number for CARB status and vehicle fitment before purchasing.