Originally Posted by Cal_Cobra
One thing that I find very interesting is that both NW and 240 took a different approach to the manifold issue.
NW increased the tank size, and 240 increased the diameter of the tube.
NW just posted that their product dyno'd an additional 45hp at the rear wheels (also with a CIA and 185 pulley, but the 45hp is in addition to those parts).
I wonder what we would see with BOTH a tank increase as NW has done and the diameter increase of the tube as 240 has done, as both modifications have produced nice results. 
240 has the LET 185mm pulley, NW has the ASP 178mm. Your viper is going to have some great competition.