what is the x-pipe (Inlet)and(Outlet) size i nead to x5 4.8 i think its different than the 4.4 and 4.6

__________________
[/IMG]Daddy daddy, whats that car with that huge spoiler, and white lights in the back?.....
Thats X5 son and he just kicked my ass! :
2006 X5 4.8IS
2001 M5 individual
2004 TVR Tuscan S 2004
2004 Mitsubishi Evolution 8 MR