450r exhaust on a 400ex

[raykspradlin]

I found a DMC Alien exhaust off a 2004 450r. This is a full system, header and midpipe included, and I'm trying to see if anyone knows if this will mount onto my 2002 400ex. Any help would be appreciated!!!!

[mjc400ex]

The 400ex head pipe is split into 2 tubes (one from each exhaust port).
The 450r is a single tube.
The head pipe will not work.
I'm not sure about the silencer but I doubt it.

[raykspradlin]

okay thank you very much!!