I put a Zex Wet Nitrous Kit on my truck to give it a boost and have a little fun. I choose Zex because they seemed to have the simplest set up and the price was right. The Zex Wet Nitrous System comes with everything you need to hook up the nitrous kit. The solenoids are in a box that goes under the hood which gives the system a cleaner and in my opinion cooler look. The whole installation only took me about an hour, it was super easy and the instructions are perfect. For this nitrous kit I had to drill a hole into my intake and install the nozzle which injects fuel and nitrous into the manifold (This is why its called a wet kit, dry kits only spray nitrous). I hooked the bottle up in my truck along with the switches and I was ready to go. To activate the system you have to first open the bottle then engage the arming switch. Then all you do is step on the gas pedal and push it to the floor. The Zex Nitrous System runs off of your vehicles wide open throttle switch, so the system only applies nitrous when your put the pedal to the floor. The thing I like most about this kit is that it comes with 3 different jets so you can add as much power as you want. It comes with a 75, 100, and a 125 jet, this is about how much horsepower you will see. I had the 100s in because I didn't want my motor to blow up or anything like that so I played it safe. I never had any problems with the system and it was the most fun I've had in a vehicle. The power you get when the nitrous kicks in is instant and man is it a rush.