This isn't my stuff, but I want it to be:



CBR 1000RR subframe, with undertail exhaust
(could probably bolt onto the frame with moderate fabrication)
http://cgi.ebay.com/ebaymotors/2007-Honda-CBR-1000RR-subframe-tail-with-exhaust-_W0QQitemZ300272636555QQcmdZViewItemQQimsxZ20081111?IMSfp=TL0811111110009r10194

Here's another one:
http://newyork.craigslist.org/que/mcy/918457496.html
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!   
That's not the current model, though.  This is:




The newer ones are not as fat in the a$$ as the other models.  Would look nice on my GS when you pay for the parts and provide labor.
This needs to happen.  Get to it.