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View Full Version : Grizzly exhaust Mod



Quad18star
04-01-2007, 11:52 PM
Anyone know how to perform the exhaust mod for the 660 Grizzly ?? I remember reading somewhere before that you can do something to the exhaust and it will give it a bit more power and a bit more grunt .

Anyone know how or where I could find the instructions on doing this??

TOPDAWG
04-02-2007, 10:17 AM
Yep. Check Grizzlycentral