It's been done. It's not cheap.
e.g. http://www.rs6.com/showthread.php/31...-on-this-Avant
and http://www.rs6.com/showthread.php/21...ting-RS6-Avant
It's been done. It's not cheap.
e.g. http://www.rs6.com/showthread.php/31...-on-this-Avant
and http://www.rs6.com/showthread.php/21...ting-RS6-Avant