I agree with all above. Ive built quite a few nitrous systems on various vehicles and definatly recommend guages, colder plugs, and run a wet system...as well as the WOT switch.
Zex makes really really good kits that are very easy to install, come with everything you need including the WOT system.
As long as the system you install matches the fuel pressure to the nitrous activation, then you dont need a tune unless you are running 100+ shot.
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