What exactly does one do? I know they connect to the battery, and claims all these improvements but whats going on that causes things to improve? Thanks!

oh and is it a worthwhile mod at $89 + ship.?

http://www.k2motor.com/nissan23.html

its the last item at the bottom of the page

 

Sounds like a capacitor.

No mod is worthwhile if it's not clear to you how it works. There are many mods out there that do practically nothing, created only to sell and make some money.

Dave

 

sorry i should have added the link, I mean it sells on a pretty reliable retail website, so I wouldnt think its a scam ~ here peep it and let me know what u think?

http://www.k2motor.com/nissan23.html

its the last item at the bottom