they both go into the intake tube. dry kits spray before the mass air sensor and they only spray nitrous and they depend on the computer to add fuel. wet sprays it right before the throtle body and shoot nitrous and fuel in the motor it ads its own fuel
old set up: 2002 chevy 5.3, procharger 12lbs boost, asm headers, ls1 edit, flames, 20inch budniks
New Set up: 2004 chevy 5.3 ext cab, 12 inch twisted suspension lift, 36's, exhaust.
future mods: 150-200 shot, ls1 edit, air intake, stall, 5.13 gears, 12s or bust