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Old 12-10-2024, 08:02 PM   #1
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THOR ACE doghouse noise reduction

I have a 2023 ACE class A and the noise coming from the doghouse seems to be high when traveling down the road. When I removed it and looked at the underside there was some insulation material that is only 1/2" thick and didn't fit very well within the area. Some of it at the corners wasn't adhered to the fiberglass. Theres no carpet on top of the doghouse. Any suggestions on how to quiet the engine noise a little more.
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Old 12-10-2024, 08:07 PM   #2
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Get some Dyna-mat. Remove all of the factory insulation and replace with the Dyna-mat. Also do the floors, under the dash side walls. everywhere you can access. Make sure you cover EVERY inch of the dog house.
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Old 12-17-2024, 04:30 PM   #3
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Agreed. Just did it with DynaMat Extreme (I think it was called). Heat through the doghouse is much better, and noise is somewhat better. Didn't do any other area than the doghouse.
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Old 12-17-2024, 05:53 PM   #4
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I also used the Dyna-mat and put the factory stuff back on top of the Dyna-mat
I didn't bother with elsewhere either because it was much quieter with just that.
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Old 12-23-2024, 05:29 AM   #5
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Last owner add the matting to the dog house. The only time I hear the engine is when the RPM is above 4000.
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Old 01-08-2025, 09:27 PM   #6
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Dog house

I installed mine under the dog house and on top under cover of the dog house and the noise had been reduced by 3/4. Best fix to date.
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Old 01-09-2025, 07:23 AM   #7
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Originally Posted by Hillistim View Post
I installed mine under the dog house and on top under cover of the dog house and the noise had been reduced by 3/4. Best fix to date.

Not sure what you mean by under dog house and under cover of dog house.

Can you explain?
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