Integrated Engineering Catch Can KitA catch can works well to catch all of the oil fumes that are omitted from the block and valve cover breathers. This removes the oil mist and blow by that is found in the charge piping and intake system while greatly helping to reduce carbon buildup, which relates to power loss and poor drivability. Our kit includes the breather adapters to plumb the catch can using the included 10AN hose. Our breather adapters replace the factory plastic breather