I am new to this forum. Recently purchased an '08 RL/Tech Pkg and read several postings regarding upgrading the rear stablizer bar. Can you add the '09 rear stablizer bar to the '08 model that isn't set up with the A-spec package?

 

this may help

https://acurazine.com/forums/2g-rl-tires-wheels-suspension-92/d-006-2009-sway-bar-update-05-08-parts-list-prices-715573/