[First comment - Why is there only a page and a half of threads in this section? I expected 5 years worth of posts to research through. ]

My curiousity is how replacing parts with 'upgrades' from either other trim level or year Zs will affect classification. E.g. driving a 2003 enthusiast, if I swapped on brembos from a 2003 track/performance model would I still be penalized? If not, would they or any other parts have to be from a 2003 only?

Expecting to end up in BSP regardless, so it may not even matter, but
I haven't been able to find a clear answer on this.

 

with scca t2 you can update or back date as you please

 

The default view is "Last month". Go to the bottom of the forum index and change it to some longer period (Last year, Beginning, etc.) then click on the Display button to show the new view.

 

AH HA, that was it, thank you. Feel free to delete thread.