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Old 08-18-2008, 05:10 PM   #29 (permalink)
Rumrunner
Ditch Magnet
 
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Join Date: Jun 2008
Bike: 2007 M50
Location: Grand Rapids MI
Posts: 167
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Quote:
Originally Posted by RicVARider View Post
Anyone drilled holes in their pipe get worse mileage?
I drilled 6 3/4" holes in both pipes and immediately smelled more gas standing around the bike at idle. The bike sounds great now, but gets worse gas mileage definitely. Went from ~48-50mpg to like ~45mpg. I know that isn't much, but one of the reasons I like to take the bike most times is also b/c of the high gas prices. Also a reason to get the misses on the back to ride with instead of taking a car.
Any suggestions on how to fix it? Way to adjust the gas flow to make it better?
Would it get better if I went ahead and debaffled? Or make it worse?
I wonder if you are gettin on it a bit more now that you have better sound....Revving up a bit at the stops....winding out a bit more on take off....

3mpg could easily be that.

Same thing happened when I got flowmasters for my truck....
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