Description

Boost your vehicle’s engine performance with the K&N Filters FIPK Air Intake Kit for Ranger/Explorer/B4000 4.0L V6 (KNN57-2527). Designed for select Ford and Mazda 4.0L V6 engines, this K&N Fuel Injection Performance Kit (FIPK) delivers increased horsepower and torque by reducing air intake restriction. It provides a direct bolt-on replacement for the factory air intake system and comes with a washable and reusable high-flow air filter. Engineered for longevity and performance, it’s ideal for drivers seeking better throttle response and long-term value. This system is backed by K&N’s million-mile limited warranty and includes all necessary hardware for easy installation.

Features and Specifications:

Vehicle Fitment: Ford Ranger, Explorer, Mazda B4000 with 4.0L V6 engine
Air Filter Color: Red
Air Filter Material: Cotton Gauze
Air Filter Outlet Shape: Round
Included: Mounting Hardware, 6 Clamps, and 2 Couplers
Clamp Material: Stainless Steel
Clamp Style: Regular
Intake Pipe Color / Finish: Black
Intake Pipe Material: High-Density Cross-Linked Polyethylene
CARB EO Number: D-269-18
Estimated Horsepower Gain: 3.2 HP @ 3969 RPM
Replacement Filter: RU-1048
Alternate Replacement Filter: RF-1048/RU-1048XD
Increased Performance: Boosts horsepower and torque for improved engine output.
HDPE Intake Tube: Roto-molded for durability and efficient airflow.
High-Flow Filter: Direct replacement air filter enhances throttle response and engine sound.
Optimized Airflow: Engineered for high airflow and superior filtration efficiency.
Low Maintenance: Filter requires cleaning only every 100,000 miles under everyday driving.
Easy Installation: Installs in under 60 minutes using basic hand tools.
Lifetime Warranty: Covered by a No-Hassle Lifetime Limited Warranty.
Emissions Legal: 50-state legal for street use.