When your Shelby Mustang vents crankcase pressure, oil vapors can escape back into the intake system and coat your vital components, robbing your supercharged GT500 of it's true performance potential. Our oil separators work to capture oil vapors in a small tank, preventing them from coating your intake components or blower rotors. After you grab an oil separator, make sure to check out our Shelby Air/Fuel Delivery section.