... btw, this is how I fixed up the exhaust 'note' on my bike ... still deep & bassy, but no more high pitched tinny sounds at high RPM. And still louder than stock, but not obnoxious ... licence friendly with the local constabulary !! (Can't detect any performance difference, no loss of power):
1. Bought this baffle insert (eBay purchase, 170mm long x 46mm OD, perforated).
2. Cut off the baffle end disc (it presented a smaller opening - made the sound more tinny, flappy).
3. Cut and bent the ends on the other side so it's not straight through - so air has to be forced around & thru the perforated holes.
4. (Optional) - inserted some S/S scourer wool inside the silencer (before inserting the baffle). This step helps me to 'fine-tune' the sound to exactly just how I like it. I didn't have to use very much at all ...
5. Inserted baffle into silencer - you will find the outer ring on the baffle mates with & fits snugly against the ring on the silencer. It's a reasonably tight fit.
6. Drilled a hole at bottom of the Silencer, to allow me to fit a self-tapping retention screw.
7. Secured baffle.
Hope it helps those who purchased the 00Racing header & Performance Silencer combo (P/N's 9446 & 8688) and wanted to dampen the noise down a little.
Haz