I was in a prelude once that had one and it was rather cool. I am going to be taking my dash apart anyway so I I figured what the heck, it won't cost much so why not install one at the same time. Plus someday I would like to change the computer chip, so it would be nice to actually see when the VTEC kicks in. Also was thinking it may help for gas mileage, I mean if you can control when it kicks in (by seeing the light come on) then when you are travelling, if you don't need the VTEC to come on then you can drive accordingly. :thinking: And if that doesn't work then you still have neat looking light in your dash that cost me almost nothing.