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Old 12-18-2012, 06:43 PM   #18670
RDTCU
Banned
 
Joined: Jun 2012
Location: South Carolina
Oddometer: 2,279
Quote:
Originally Posted by KX50002 View Post


The same thing it does for any internal combustion engine, retains heat energy in the exhaust to help improve cylinder scavenging. It's gotta be worth at least .03 HP on that bike.
Probably has more to do with keeping your his pants or boots from melting if he touches it or gets too close...
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