Description
A stock air intake system restricts airflow to your 5.4L engine, costing you both horsepower and throttle response. The K&N 57 Series FIPK intake opens up your breathing capacity with a high-flow design that delivers measurable gains in power and efficiency. This bolt-on kit replaces your factory intake in under an hour—no fabrication required—and pairs a reusable filter with precision-engineered intake tuning for sustained performance gains.
- 57 Series FIPK design
- High-flow construction
- Reusable, washable filter
- Bolt-on installation
- Ford F-150 compatible
- 2004–2008 model years
- 5.4L engine applications
- Complete intake kit
- MPN: 57-2556
- Improves airflow dynamics
- Direct factory replacement
- Lincoln fullsize SUV compatible









