hi i want to buy Mercedes SL Diavolo Black Series Wide Body kit from ebay but my question is from where can i find areal black series spoiler ? and can i install it and it works or just ashow !!

http://cgi.ebay.com/ebaymotors/ws/eB...9919&viewitem=


and i think to install lsd kit is this kit good or shiit ?

http://cgi.ebay.com/ebaymotors/ws/eB...K%3AMEWNX%3AIT

and does it fit with the kit that i want to install it ?