I was browsing around today and noticed Dubach has listed on their website a slip-on for the WRX 08-09 (which I assume fits both R & X 08-10).
http://www.dubachracing.com/cart/index.php?main_page=product_info&cPath=1_25&products_id=1783
They dont list details about the pipe on their website.
Anyone have one on their bike?