We just installed the GroundEXE wire kit on a 2.0L '95 626...basically the same engine that is in the 2.0L proteges...power was indeed gained. It's amazing what the factory could do if they just made more grounds! I would say it is anywhere fro 4 to 7 more whp. When researching the item before installation, every dyno sheet we found showed gains, and I can't imagine that it wouldn't do the same for the proteges. Oh well, just a suggestion...I hadn't seen this mod on anybody's list yet...I might be tempted into doing this on my protege ES later on...

 

ACtually there are quite a few thread on Ground wire kits and many have been doing it themselves. I built my own and can't really tell that much of a difference, but I already had good grounds because of my stereo.