S&B Cold Air Intake For 1998-2003 Ford F250 & F350 Powerstroke 7.3L DieselBoost the power and protect the engine of your 7. 3L Powerstroke with the S&B Cold Air Intake, designed for maximum airflow and superior filtration. By improving airflow by 53. 66% over stock, this intake system helps unleash more power, improve throttle response, and keep your engine cleaner and cooler, even in harsh conditions. Features Maximum Performance: Engineered to minimize air restriction and maximize airflow, the S&B Cold Air Intake system