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Finish on bare aluminum exhaust? (Read 102 times)
SinglesGoinSteady
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Finish on bare aluminum exhaust?
03/15/12 at 10:38:36
 
I got my supertrapp all cleaned up and polished.  It needs some type of chemical conversion coating to protect it from corrosion. Anyone here ever use Alodine?  I think it gets way too hot for clear coat.  Any suggestions? I don't want to paint it black.  Maybe have to get it anodized.
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Savage_Rob
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Re: Finish on bare aluminum exhaust?
Reply #1 - 03/15/12 at 12:17:33
 
I'm not sure how good an idea it would be for aluminum but I had my stock header pipe ceramic coated.  I keep saying that I'll do the same to my MAC muffler one of these days but the BBQ black seems to still be working on it, so I'll wait.  I have been very happy with the ceramic coated header and many places have various colors available.
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1998|MAC muffler|ceramic coated header|K&N air filter|Amal Mk2 carb|Odyssey battery|iridium plug|NC windshield|Dunlop 491s|Superbrace|EBC brake rotor|12.5" Progressive shocks|Kuryakyn ISO grips
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verslagen1
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Re: Finish on bare aluminum exhaust?
Reply #2 - 03/15/12 at 13:03:31
 
aluminium supertrapp exhaust?

didn't know they made one for the savage.

alodine will treat bare aluminum, but not as good as anodize.

and not sure about the heat.
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SinglesGoinSteady
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Re: Finish on bare aluminum exhaust?
Reply #3 - 03/15/12 at 13:47:47
 
It's an old old one, off some old twin a buddy had.  Got it for next to nothing and it came "broken in". Cool
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justin_o_guy2
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Re: Finish on bare aluminum exhaust?
Reply #4 - 03/15/12 at 19:04:17
 
Alodine? Whassat? Cosmoline for aluminum?
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The people never give up their liberties but under some delusion.- Edmund Burke.
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SinglesGoinSteady
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Re: Finish on bare aluminum exhaust?
Reply #5 - 03/15/12 at 23:26:51
 
It's an acidic etching that oxidizes the surface of the aluminum and acts as a sacrificial/protective layer against further corrosion.  It's not as effective as anodizing which is a dip in a tank and similar.  Both are ideal for prepping for primer then paint.  Or something like that.
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justin_o_guy2
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Re: Finish on bare aluminum exhaust?
Reply #6 - 03/15/12 at 23:55:20
 
Cool,, thanks
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The people never give up their liberties but under some delusion.- Edmund Burke.
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SinglesGoinSteady
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Re: Finish on bare aluminum exhaust?
Reply #7 - 03/16/12 at 18:23:19
 
Problem solved hopefully.  I got this clear coat at NAPA, $6, can't go wrong.
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