K&N Replacement Air Filter 10-12 Ford Mustang Shelby GT500 5.4L V8 ['New Products' Installation requires cutting the Original

Installation requires cutting the Original Equipment system

and swaps your straight-through Track Edition rear sections with straight-through

These manifolds also come with 1/8" NPT ports for nitrous

Thanks to AWE drone-canceling 180 Technology and countless hours of R&D

K&N Replacement Air Filter 10-12 Ford Mustang Shelby GT500 5.4L V8 ['New Products' Installation requires cutting the OriginalK&N washable, reusable High Flow Air Filters feature a state of the art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower. Each performance air filter is reusable, engineered to last for the entire lifespan of your vehicle, and backed by K&N's 10 Year Million Mile Limited Warranty. K&N drop in replacement filters are designed to install easily into your