[MD99SiR]

Zex is like the Play-School version of Nitrous. Where it has a little box that controls everything, some hoses and a bottle. It is the safest system but the worst for tunability or power. They measure their shot at the flywheel. Which means the 75 shot is like 50 hp, 50 shot is like 35, and 35 is like 20. So unless you have the 75 you won't really bbe surprised or amazed. The other kits such as NX or NOS have kits that mix fuel and nitrous at the same time to get an even mixture of nitrous and fuel. They on the other hand measure their shot at the wheels so a 75 shot is 75 hp. If you want nitrous just to have it and be able to putt around town and spray a little then go ahead, It's very safe and almost no way you can really do damage if hooked up right and used right. If you want real power and to be able to really smoke people then get NX, NOS, or even VENOM. Peace