only part i cut was the top panel linking the headlight buckets together to allow room for the top boost hose. this doesnt need to be cut really but i just wanted to make sure there was definatly enough room there.
the pipe work was time consuming but wasnt too bad.
i preordered the bends, then use old boost pipes and straight bits of pipe to make the joining pipes up, then got my local powerflow dealer to bend me some stainless in the same shape as the pipes i had mocked up