ok man...
looks like apexi has 51,54,80, and 95mm units...
our exhaust is 2.5" correct? which is 63.5mm.
http://www.sfxperformance.com/parts/Apexi.asp
call these guys and see if they can get what you want for an 2.5" exhaust..
its sun. or i would have just called them...
keep us posted and GL