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Posted: Sun Apr 22, 2012 7:00 pm
by bigfoot17
Looking at a silencer for a 2004 ATK 450. Would that fit my bike? 2003 X440.Looks like it has a single inlet. What would it take to make it work?

http://www.ebay.com/itm/150799211324?item=...em=&vxp=mtr

Posted: Sun Apr 22, 2012 8:19 pm
by Canniboomer
That's the earlier cdale exhaust for the earlier frame, and it's a good one...FMF PowerCore IV. Lighter weight and good power.
And yes you can fit it to the later E-frames with the black gas tank. I can work up a kit, since you would need the different matching header, and a rear oval hangstrap.
Here are a few pics. I now use a heavier strap than pictured, fyi.

Posted: Sun Apr 22, 2012 8:43 pm
by bigfoot17
Dave,
Are you talking about the entire header pipe? How hard is the conversion and how much? Is the power core quieter and is it a spark arrestor?

Posted: Sun Apr 22, 2012 8:59 pm
by Canniboomer
QUOTE (bigfoot17 @ Apr 22 2012, 01:43 PM) <{POST_SNAPBACK}>
Dave,
Are you talking about the entire header pipe? How hard is the conversion and how much? Is the power core quieter and is it a spark arrestor?


Yep a replacement new header is needed, with crush whsrs, 2 springs, and the HD hang strap.
I think less than $65 plus ship. A frontal 3-bolted heat shield on the header is optional about $15 if I have any more, but not mandatory. Cannondale had 2 early versions of that exhaust; one full wide open, and one that was quieted with a spark arrest. That ebay one is the quieter version and spark-screened, and not as loud as the later X440 full-open can.

Header is the one on the right in these pics, and the install is easy -- once you get the header swapped!