I got my NOVI 2000 kit directly from Paxton. It's actually a 5.0 kit, since they don't have a 351W specific kit, and I made a couple bracket modifications.
Furthermore, the discharge tube you have is the VR-4 tube. It is chrome and has the bypass valve fitting near the middle of the tube, on the bottom side, point down towards the headers. The stupidest darn thing I've ever seen. I know, I have one. It makes the plastic bypass come so close to your headers mine melted (when I used to run a Paxton ball drive with that tube on my ex-302).
I'm sure you could call Paxton and order the NOVI 2000 discharge tube...
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Dan McClain, Editor
The Mustang Works Magazine
1991 Mustang GT - NOVI Supercharged 377 Stroker
1999 Ford Lightning SVT - 2000 Prototype updated by Roush
[This message has been edited by Dan McClain (edited 03-05-2001).]