Re: 2005 owners...NGK spark plugs, ITR6F13 or ITR5F13?
either one should be fine.
id probably go for the 6f if its at all modified.
that one is the stock plug the 5f run is one heat range hotter
to burn possible contaminants from the plug,.
mine were changed to the 5 version
at the dealer due to some cel back in 05
i changed them myself to an autolite plat.
with just the standard reccomend plug
with no difference.