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Thread: K&B .65 muffler
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Old 11-24-2021, 07:04 PM
  #14  
GREG DOE
 
Join Date: Jul 2005
Location: , TN
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This is just my opinion, and I only owned two of the GP 42's so take it with that grain of salt! They were set up very tight, and need a lot of break-in running. After that they are a decent non ball bearing engine.