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      04-22-2008, 09:32 PM   #45
Johndoe
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think this is the solution

it is VHT- heat resistant exhaust spray paint- has a black matte finish and is used for painting exhausts/ manifolds - -a lot of people have used them on mufflers with no long term impact based on discussion in other car forums....definitely better than BBQ paint and should hide the ugly muffler....you can Google / or should be able to get a can at your local auto parts store...

Exhaust Manifold, Catalytic Converter and Headers


VHT Flameproof Coatings are a matte finish, ceramic base silicone designed specifically for automotive headers and exhaust systems. They allow heat and moisture to pass through the metal and coating to prevent rust from forming. No primer is required before applying. Rated to 1500F (815C).
Recommended products:
VHT Flameproof Coating Range
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      04-23-2008, 08:54 AM   #46
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I think I might give VHT- heat resistant exhaust spray a try. Anyone with their M3 planning on doing this?
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      04-23-2008, 11:49 AM   #47
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lets see some pics....
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      04-23-2008, 04:42 PM   #48
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Does anyone know the temp of the exhaust that would be painted- how hot does it get. I assume 1500 is more than enough. My only concern is that this car when pushed hard for a while will probably generate a lot more heat than your average civic driver...
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      04-23-2008, 04:50 PM   #49
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I hid my exhaust by switching to a Remus. I run a diffuser which I had to remove to take these pictures. The Remus exhaust will clear the diffuser no problem and the angled tips blend perfectly. However, the diffuser doesn't quite cover the OEM exhaust all up. I can show pictures with the diffuser after Bimmerfest. But switching to the Remus exhaust gave me better sound and hidden mufflers. Regarding the centering of the exhaust, I recommend you have it professionally installed. Any competent exhaust shop should know how to manipulate the hangers and tabs. Mine is on center, angles in pictures might suggest otherwise, but it's centered, trust me.


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      04-23-2008, 05:48 PM   #50
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Quote:
Originally Posted by gadget View Post
I think I might give VHT- heat resistant exhaust spray a try. Anyone with their M3 planning on doing this?
I'm going to try it based on all the info and the fact that the spray is meant for mufflers (which i believe go up to 500F but one can check that easily by googling). I did call VHT customer service as well (... if you do not like the flat black look, simply remove with a paint stripping agent). I went to check out a M3 sedan over the weekend again at the dealer and the muffler is too visible a eyesore from various angles.....

I do not have any pics but again a Google search may help - -Worst case I spray it on, don't like it and remove it but FLAT BLACK is far better than the raw metal crap currently showing underneath the rear bumper AND you get to keep the original muffler.

Last edited by Johndoe; 04-23-2008 at 09:01 PM.
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      04-23-2008, 07:41 PM   #51
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Please post pics if you do this. I'm interested in doing the same.
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      04-24-2008, 06:26 AM   #52
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I was thinking blue painter's tape?

I'll have to ask the BlueTape Man what its temp. rating is.
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      04-24-2008, 09:55 AM   #53
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Quote:
Originally Posted by Too Many Toys View Post
I was thinking blue painter's tape?

I'll have to ask the BlueTape Man what its temp. rating is.
With the painter's tape alone, it won't cut it. But with black duct tape overlayed on the painter's tape
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      09-15-2008, 05:28 PM   #54
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Quote:
Originally Posted by WCH View Post
Please post pics if you do this. I'm interested in doing the same.
I know someone posted pics of an IB with a painted muffler, can anyone find it. Did a search but came empty handed.
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      09-16-2008, 02:35 PM   #55
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Just get an asbestos jock strap for it. Oh wait, asbestos is bad. Try titanium; they make them for pro football players. But they usually have a run on them this time of year. On second thought, the blue and black tape is probably the best solution.

Of course, if you're willing to pay, the only real solutions are either a diffuser or new mufflers. I'd go for the AA system.
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      12-16-2011, 03:46 PM   #56
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Can anyone post photos....several request, but no pic's. Thanks.
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      12-16-2011, 09:36 PM   #57
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I painted mine the day after i took delivery of the car. This was almost a year ago and there have been no adverse effects. I did not paint the entire muffler, only the portion that is visible. I painted it while it was on the car. I used standard masking tape to do minimal masking for overspray.

In addition I also painted the brake hubs flat black.

I will try to get some pics posted tomorrow.
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      12-17-2011, 12:24 AM   #58
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Holy sh*t this thread is 3 years old! My useless comment of the day. 1/1.
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      12-17-2011, 12:37 AM   #59
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Hell, just get an after market exhaust and be done with it!!
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      12-17-2011, 02:05 AM   #60
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semi polished...400 grit and stainless polish
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      12-17-2011, 11:10 AM   #61
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Here are pics of the painted muffler and brake hubs. I apologize for the dirty car. The exhaust tips are dirty. That is not over spray.
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      12-17-2011, 11:13 AM   #62
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Quote:
Originally Posted by schnell325 View Post
Hell, just get an after market exhaust and be done with it!!
A can of paint is $3, an aftermarket exhaust is $3K and produces no significant improvement to performance.
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      03-12-2012, 01:18 AM   #63
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anymore pics???
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      03-12-2012, 01:22 AM   #64
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+1 for VHT flat black exhaust paint..works like a charm
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      03-12-2012, 10:52 AM   #65
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Quote:
Originally Posted by M3Kevin View Post
1) Do not paint it. Fire hazard.
2) Do not paint it. It will discolor.
3) Do not paint it. It will shorten the life of the muffler due to increased heat.
4) Do not cover it - heat needs to be dissapated. Covers will prevent that and heat up other areas not shielded for the new heat load.
WTF...
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      05-05-2014, 03:59 PM   #66
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just did mine will take pics...looks so much better!
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