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One head pipe discolored

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Old Jun 1, 2022 | 10:36 PM
  #1  
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Default One head pipe discolored

Today I noticed that tge headpipe for the front cyl is rainbowed under the heat shield bit the rear one is not. Performance wise the bike is 99% stock. All i have is slip on mufflers. Should i be concerned?
 
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Old Jun 1, 2022 | 10:49 PM
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Completely normal for both pipes to discolor. But if it’s new I’m sure the rear will soon be the sale.
 

Last edited by 2500hdon37s; Jun 1, 2022 at 10:50 PM.
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Old Jun 2, 2022 | 09:54 AM
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If you're truly concerned pull both plugs and compare them, post pictures of them here too.
 
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Old Jun 2, 2022 | 01:26 PM
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Rear pipe on my '05 Softail has been that way for the last 10 years. Plugs always check fine, bike rides and runs 100%.
 
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Old Jun 2, 2022 | 02:22 PM
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They all do that.............. Eventually.
 
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Old Jun 2, 2022 | 06:40 PM
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Thanks all! I will probably change my plugs out this year anyway so i guess i will go that route.
 
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