K&N Replacement Air Filter (33-2442) Ford > Sierra > Cosworth The Splitter is a truly

The Splitter is a truly remarkable valve that gives a combination of blow off and recirculation valve operation

It creates a durable

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Designed to increase horsepower

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K&N Replacement Air Filter (33-2442) Ford > Sierra > Cosworth The Splitter is a trulyK&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 No Hassle Lifetime Limited Warranty. K&N drop in replacement filters are designed to install easily into your