Remove pipe from intercooler to throttle body. Use a long flat blade screwdriver to remove the pinch clamp..On the new hose, place a new clamp on the tube in the correct orientation and just barely tighten it. You want it to not fall off the hose, but not so tight that you cannot slide it in place. Spraying the end that attaches to the oil trap box with a little silicone spray helps as well. Re-install pipe.
You reallly don't even need a clamp where it attaches to the oil trap box..The upper hose will require a clamp.
Ok thanks, I pried open the crimped clamp with a small screwdriver, the handle inserted into a socket and extension. Then with the airbox removed for more room I could slide an arm behind the manifold to wiggle it off.
I did mine without taking off the airbox or the intake pipe. Long screwdriver to remove the clamp, and then long extensions, socket u-joints, and patience were required to install new hose and tighten the clamp.