My recommendation is to go with a more well known and proven kit. Go with something like a Process West or Plazmaman kit which will include everything to bolt in and drive. You are wanting to put a surge tank into an FG so obviously you have a nice car, so don't attempt to save some cash on a crucial part like this as it will cost you more in the long run if something goes boom. If saving cash is a big priority in all this, then don't do it at all. I personally have a Process west Surge tank kit in my car and its been drama free