I had a nitrous backfire yesterday. pics

[red82gt]

Ultraflow, I think you're probably right, the guy I know who blew up two tfs intakes was complaining about how his car slowed down when the bottle pressure dropped and someone had to tell him that the Nitrous/fuel ratio is off when the bottle pressure drops, that's why his car was blowing up intakes.
If I owned a nitrous company I'd sell only a dry kit for the Ford efi but I'd make a conversion kit for a wet kit, that would keep some of the ametures away. IMHO the efi long runner intakes are not good at flowing fuel and the 180 turn after the throttle body inlet is a prime place for fuel to puddle and it just leaves no margin for error. I like the NOS big shot kit because the lower intake has much better potential for flowing fuel than the upper. I think if you want more than 150hp from the spray, go with the big shot.