Depending on what you do with the exterior mods, the 99 spec wing flows sooo well with the stock lines of the FD. Another plus is that it also works with mild bodykits as well, so unless your planning on going widebody, or with a kit that has more angles than curves, i say go with the 99 spec.

 

most def

 

I think that the FD looks best without a spoiler but the stock spoilers look good.

 

i think the 96-98 rz style wing is the best

 

I know, I know.... the RB type 1 spoiler is the best. I just happen to have one for sale, too (painted silver):P: