The RA has a closer ratio gear box. Lighter Glass. Lighter Bonnet roof and Boot and came with DCCD. There's one for sale in Jap cars. They have her advertise in Car zone.
They have the Prodrive style front bump but with Spot lights incoparates in to the rap around Covers. The have the Prodrive style grill to. Hatch in the roof and High rise STi spoiler that was only available on the Prodrive style and RA Sti of the year.
Hope this adds to the above passage.