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Old 11-30-2012, 11:11 AM   #3
motomandan OP
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Joined: Nov 2010
Location: Mechanicsville MD
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Quote:
Originally Posted by roger 04 rt View Post
Just curious, what tests could you make to compare the two?

I ask because among all the vendors there are no specific measurement of the effect they have (and I own one of them and have checked another). The vendors all indicate that the air temperature drops, but they all seem say that the effect on performance can't be measured by an instrument.
What I would like to compare is Quality of build and materials. I would also like to see if they have the same effect on the motorcycle when installed. I will probably run each over a 30 period for the same mileage interval. Keeping note of changes i.e: stumbling , hesitation , surging, fuel economy. After 60 days I will compare my notes!
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