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How hot do exhaust pipes get?

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  • How hot do exhaust pipes get?

    So this 883 I got has drag pipes on it, no shields, just straight pipes that are chrome plated. Surprisingly there is only about 6" of blueing on the chrome. But i wanna get em powder coated black.

    The powder guy says he has high temp metallic powder that's good to 1200 degrees. Is this sufficient? I don't think it would get much hotter than 800 or so. The jobs only gonna cost about $100, so if it don't last i guess, live and learn.

  • #2
    Originally posted by Eric The Welder View Post
    So this 883 I got has drag pipes on it, no shields, just straight pipes that are chrome plated. Surprisingly there is only about 6" of blueing on the chrome. But i wanna get em powder coated black.

    The powder guy says he has high temp metallic powder that's good to 1200 degrees. Is this sufficient? I don't think it would get much hotter than 800 or so. The jobs only gonna cost about $100, so if it don't last i guess, live and learn.
    Eric, if you stay on the rich side with the jetting/tuning, the coating will be fine.....But if you go lean....your gonna lose it......g
    U.S. Army "Retired"
    (Disabled Veteran)

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    • #3
      Originally posted by gruss View Post
      Eric, if you stay on the rich side with the jetting/tuning, the coating will be fine.....But if you go lean....your gonna lose it......g
      x2 rich will drop the temps as much as 25* or more in some cases..i had nightrider ied's on my sporty stopped the surging/hunting and dropped the combustion chamber temps by almost 30*
      rich is cool lean is hot
      09 Softail Springer FLSTFBT "AKA" Heritage Fatbones Touring
      www.youtube.com/user/bcvtwin?feature=mhee

      herd #148

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      • #4
        How do I know if I'm rich or lean?

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        • #5
          Originally posted by Eric The Welder View Post
          How do I know if I'm rich or lean?
          Check your bank account!
          H1E2R8D

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          • #6
            Originally posted by Eric The Welder View Post
            How do I know if I'm rich or lean?
            Pull your plugs and check the color....if they are dark brown - black your rich if they are light brown - white you are running lean.


            Originally posted by Rainrider View Post
            Check your bank account!l
            I don't have to check that I know its always running lean :)
            Josh #00042
            2019 Road Glide Ultra

            R.I.P. Dad 1951-2015

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            • #7
              Originally posted by R:laff:laffainrider View Post
              Check your bank account!
              HERDSTER #00115
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              I like the dog. If he can't eat it or f**k it, he pisses on it. I can get behind that

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              • #8
                yeah, my bank account is always lean too. lol

                yeah, check your plugs or the "soot" in the ends of your pipes
                Ride in Peace Wndchsr


                www.my.doterra.com/jbush

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                • #9
                  Black may be a little too rich.....


                  Bank accounts are Black or Red....
                  Where does it say Humpty Dumpty was an Egg?
                  Official HERD Member #00127 - Glenn
                  Growing old is not for Sissies..........

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                  • #10
                    I doubt it's very lean because thr chrome on the pipes was barley blue at all, more gold and only 6" or so off the head.

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                    • #11
                      You're fine. Chrome will discolor with heat, and because HD pipes are single walled, (unlike Jap pipes which are double) they'll blue every time, no matter what.

                      Powedercoating isn't good enough.

                      JetHot ceramic coating will work, but only in the 1500* and over colors/coatings. The coating that looks like polished aluminum will turn dull in the forst corner off the head due to heat, and corners are exhaust hot-spots due to the deflection of the super-heated air.
                      **Note: The technical info I provide is suggestive. I am not a perfeshunel.

                      "No two motorcycles should be the same. Your bike should be based on your creativity, and whatever's going on in your life at that time..." Jesse James


                      HERD Member #10

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                      • #12
                        Well too late now. I already have them getting done. Well see what happens, if they discolor oh well.

                        On my dyna, I got some grill paint on the pipe, right where it comes out of the head, and that hasn't burned off yet and it's only rates to 700*. The powder coat is rated 1250*. If it last 5k miles I'll be happy.

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