It opens the valve for the nitrous, supercharging the squirrel under the hood <img src="/forums/images/graemlins/smile.gif" alt="" />. Just kiddin, it changes the shift points like ya said. My 3.0 with the AT is the same way.


93 4runner V6, 4.88's, 31" mt's with more to come.
03 Tundra V8 on 265's