Is my research correct in that the bulb #'s are 9007's for the headlights and H4's for the fogs? I think mbrown posted something a little while back with these #'s. How happy is anyone that has tried the PIAA super white or xtreme white bulbs? Trying to decide whether to purchase or not, the main concern is that it does not make the truck run faster.

 

i was told that the hads are 9007's and the fogs are 9005's

 

I love mine. They definitley make a difference especially the fogs. Besides, they look a whole lot better coming down the road. They aren't blue, they're just really bright white.

 

'01 - up Fogs are 9005's.