S&B Air Filter For 2003-2007 Ford F250/F350 6.0L & 2003-06 Excursion 6.0L (V2)Replace Your old S&B Air Filter, designed specifically for the 2003 2007 Ford F 250 and F 350 6. 0L Diesel models, as well as the 2003 2006 Ford Excursion 6. 0L Diesel. This high performance air filter enhances airflow and increases engine efficiency, providing a boost in horsepower and torque while maintaining optimal filtration. Here is Another Version with different shape: KF 1039 Specifications Base Color: Black Base Outer Diameter (OD): 11. 45" x