Iridium spark plugs

[Kenbob]

anyone using these in their thou, if so did you notice any benefits over a standard plug.

[PieEater]

I use them in my Gen1.  The main benefit is lifespan, I replaced my first set after 25,000 miles but really didn't need to as they were still performing as new. I really didn't notice any difference in performance or fuel consumption if that is what you are looking for.