Quote:
Originally Posted by rwl6935
Another thought is; the stock exhaust is very restrictive and may be causing a back pressure bottle neck. There's some nice aftermarket exhaust systems on eBay for around $130 shipped. I put one on my bike.
![](http://i859.photobucket.com/albums/ab160/rwl6935/620D2923-240D-406C-A40E-7D1D016EFF7E.jpg)
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What kind of power increase did you get with this, and how much louder is it? Whats your main jet are you using also?