Give your diesel truck the boost it needs to keep going with the Ford OBS 7.3 intake system. This air intake system will help improve your truck’s acceleration capabilities and can even increase towing power as well. Installing a Ford OBS 7.3 intake 0-2021 1994-1997 is a simple task that anyone can do on their own. Take your truck’s performance and future into your hands when you buy parts from Norcal Diesel Performance. On this page, you’ll also find replacement filters for your Ford air intake system as well as air filter cleaning kits to help ensure that your truck is running at peak performance whenever you’re on the road.