new fad/gimmicks or actual sound mechanics?
 

http://www.pulstarplug.com/index.html
http://www.directhits.com/index.html

My friend is all into them. I am sorta skeptical.

RE: new fad/gimmicks or actual sound mechanics?
 

I am also skeptical. The first one would have to be pretty spectacular.........$25 each and last 50,000 miles. I'd love to see a before and after as opposed to the maufacturer's claims. I'll stick with irridium plugs for now, they are expensive enough but will likely go well beyond 50K miles.

RE: new fad/gimmicks or actual sound mechanics?
 

Well....the 2nd one has a 30 day warranty.....