It's simply sublime. If the turbo kit I'm getting for the miata didn't already have a replacement standalone engine computer, I would be putting this on. Anybody who is turboing their car and wants to make top power, this is the only way to go. It will control anything from turbo boost target control to water injection, to optomized NOS turbo spooling (using NOS to boost the engine until the turbo spools) to VANOS control, this computer will do it all. I got a manual from a friend of mine and I am just shocked and amazed at what this thing can do.