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John, is that a full exh. system w/ the muffler and headpipe as one-piece? if so then I'd do the ceramic PC;if it's just the muffler it'll be fine w/ standard PC alone as my experience has found. imo
John, is that a full exh. system w/ the muffler and headpipe as one-piece? if so then I'd do the ceramic PC;if it's just the muffler it'll be fine w/ standard PC alone as my experience has found. imo
Sorry, I meant, powder coating vs. ceramic sprayed on the muffler. The muffler is a two piece — main pipe (expansion chamber) and a silencer pipe on the end.
It will not improve performance on a motorcycle. Ceramic is very limited in color selection. Standard powder will usually hold up fine on mufflers in any color you want. Harley twins tend to run hotter and will fade/discolor at the junction where the exhaust meets the muffler can. I spent time picking the brain of Ernie Elliott (Bill's brother), who was a top Nascar engine builder and he saw no noticeable improvement in power on a Cup motor, so it isn't used. It's biggest advantage comes on closed engine bay cars where it will reduce under hood temps resulting in a cooler air charge into the carb which will make power. But if you have a CAI it's no benefit. The biggest advantage on a bike other than cosmetic is if it is coated inside properly it will prevent corrosion. If you notice the ads that say it improves performance don't provide any umbers on how much it improves because it is so negligible.
My personal experience with the "high temp" powders is that they are very finicky and tend to fail (chip/flake) much easier than any other powder or ceramic. In this particular application any standard powder or Ceramic would be my choice depending on color selection.
Get an IR heat gun and see what temps your pipes are to determine whether standard powder will work or not. Standard powders can withstand spikes to 500*f. You won't be able to check chrome pipes with the IR gun so you'll need to paint an area black to get an accurate reading. Keep in mind what ever reading you get while revving at a stand still will be cooler when you are pushing the exhaust through the wind.
Ceramic coating is only useful for very high performance applications. All it does is help internalize the exhaust temps to help scavenging a bit, but mostly to keep down engine bay temperatures. Powder coat will be stronger and last longer than any kind of spray can application.
Ceramic coating is only useful for very high performance applications. All it does is help internalize the exhaust temps to help scavenging a bit, but mostly to keep down engine bay temperatures. Powder coat will be stronger and last longer than any kind of spray can application.
"Ceramic coating is only useful for very high performance applications"
Only if you want it for performance enhancement. There are other benefits to ceramic such as corrosion resistance, cosmetic.
"Ceramic coating is only useful for very high performance applications"
Only if you want it for performance enhancement. There are other benefits to ceramic such as corrosion resistance, cosmetic.
Thanks guys. The last time I measured the temp of the pipe at the ports it was around 450-500º. Are you saying that high temp powder won't hold up vs. "regular" powder.
Thanks again all for the helpful info and responses!
There have been adhesion issues with some of the high temps so if the prep isn't flawless it can flake off. I wouldn't have any issues with the muffler being standard powder but I would do the header pipes in Ceramic or both in the Ceramic. Because of the silicon content in the high temp powders you have to get it right the first time, You can't second coat the high temp powder.
There have been adhesion issues with some of the high temps so if the prep isn't flawless it can flake off. I wouldn't have any issues with the muffler being standard powder but I would do the header pipes in Ceramic or both in the Ceramic. Because of the silicon content in the high temp powders you have to get it right the first time, You can't second coat the high temp powder.
I used high temp powder on newly sandblasted pipes and it began flaking off while I was installing the pipe on my bike. I agree that it's very finicky. I had other parts powder coated as well and they are holding up just fine.
I used high temp powder on newly sandblasted pipes and it began flaking off while I was installing the pipe on my bike. I agree that it's very finicky. I had other parts powder coated as well and they are holding up just fine.
Yes, It can be cut and polished just like paint. Metallic's can't nor can candy colors. But any solid color or clear can be wet sanded and buffed to mirror finish.
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