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

K&N 57 FIPK Air Intake — Increased Airflow with HDPE Tube Brand: K&N Engineering The K&N 57 FIPK (Free-Flow Intake Kit) improves engine breathing and delivers measurable gains in horsepower and torque. Its rotationally-molded HDPE tube increases airflow volume while resisting heat soak and preserving intake velocity for consistent performance. Key Features High-density polyethylene (HDPE) tube —engineered for increased airflow and thermal stability. High-Flow washable filter —oiled cotton media, reusable and serviceable up to 100,000 miles under normal highway driving. Oversized conical design —maximizes air volume and reduces restriction. Custom heat shield —protects intake air from engine bay heat for cooler, denser charge. Typically installed in under 90 minutes with basic hand tools. Why Choose 57 FIPK Designed for enthusiasts seeking reliable power gains and long-term value, the 57 FIPK balances performance, durability, and simple maintenance. The washable filter reduces replacement costs while the HDPE tube offers improved airflow without sacrificing intake air temperature control. Compliance note: Some K&N intakes are not legal for sale or use on pollution-controlled vehicles in California. Check part-specific CARB status before purchase.