At the moment i think the checker on the tfl website only calculates each vehicle based on first date of registration, If your vehicle register after 2006 then its exempt.
But yeah not good for people living in inner london boroughs
Shortstuff had a set of evo 9 on his DC5. Pictures are on his build thread below.
http://www.itr-dc5.club/forum/index.php?/topic/30481-shortstuffs-dc5-254bhp-beauty/page-7?hl=shortstuff