Description
The K&N Filters FIPK Air Intake Kit for Mustang Shelby 5.4L V8 (KNN57-2571) is designed to improve airflow and engine performance by replacing your vehicle’s restrictive factory intake system. Engineered specifically for 2007-2009 Mustang Shelby models with the 5.4L V8, this system enhances throttle response and increases horsepower. Built with a high-flow filter and a custom heat shield, this intake kit is a direct-fit solution that requires minimal tools and no cutting or drilling.
Features and Specifications:
- Vehicle Fitment: 2007-2009 Ford Mustang Shelby with 5.4L V8 engine.
- Estimated Horsepower Gain: 56.96 HP @ 5900 RPM
- Air Filter Color: Red
- Air Filter Material: Cotton Gauze
- Air Filter Outlet Shape: Round
- Intake Pipe Color / Finish: Black
- Intake Pipe Material: High-Density Cross-Linked Polyethylene
- Included: Mounting Hardware, 5 Clamps, 2 Couplers
- Clamp Material: Stainless Steel
- Clamp Style: Regular
- CARB EO Number: D-269-37
- 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.
- Warranty Coverage: Backed by a No-Hassle Lifetime Limited Warranty.
- Warranty Safe: Will not void vehicle warranty.
- Emissions Legal: 50-state legal for street use.





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