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Old 08-06-2004   #4 (permalink)
preachp
Senior Member
Formula Extreme
 
Join Date: Nov 2003
Location: Willimantic, CT USA
Posts: 440
Hi All,

03 Sprint ST
First baffle is a vertical steel plate aprox. 8-10" from the outlet of the pipe. Drilled a one inch hole.
This imp[roved the sound by making it deeper but gave no significant hp gain.

The second baffle is aprox. 16-20" in and is just before the inlet of the can. I drilled a one inch hole in this also. This increased the volume of the exhaust a little, but it gave a very different growl to the note. This also gave me a defined boost in go. And no this isn't just a seat of the pants thing. I noticed a faster climb ot redline and throttle only wheelies in first and second are pretty much on demand. I also noticed that the nose know elevates during hard acceleration and I have to watvh that in corners.

I will NOT recommend anybody do this! If you do so it is on you. BUT from what has been posted here it sounds like the 03's have two baffles and the earlier ones only have one. Drilling that baffle should change the note and possibly give a few ponies up. I do have a slight stutter off idle when cold but that has always been there. I have no clue as to what tune is in my bike.

Preachp
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