What's up w/ this exhaust???

[54warrior]

http://www.atvriders.com/atvracing/ama-pro-atv-open-motocross/2008/ama-pro-atv-cody-miller-can-am-ds450-jump.jpg

[k4f5x0r]

i beleive its an expansion chamber which allows the pipe to run at a quieter decibal without losing any power.

[tuefelhunden]

+1

[BTwrestle04]

Forgive me if this is a stupid question, but what are the yellow tubes on the sise as well? It's not some weird type of header pipe is it?

[54warrior]

Originally posted by BTwrestle04
Forgive me if this is a stupid question, but what are the yellow tubes on the sise as well? It's not some weird type of header pipe is it?


That's the coolant hoses.