I can't remember Adam. I'll have to go out to the shop and measure it. I forgot the dim. It's around 3.150 dia. To many other things going on. I'm going to make a new intake mount as well that will replace this altogether and a larger intake can be hooked up for hopefully even better gains.
i dont think i was clear... witht he words i typed...
what is the compressor wheel DIA and the opening on the imediat cover