Throttle body spacer

I had one and had it dyno tested when I had my Unichip tuned. We got inconsistent results, and no improvements that you would ever notice. Here is a link to the dyno charts.
http://www.fjcruiserforums.com/forums/engine-performance/44254-unichip-computer-module-5.html

It seemed to help a tad down low, but did screwy stuff up at the top end. I gave mine away.

I think its no big deal either way. It won't hurt much and it won't help much.