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Cummins 1552449 RV Generator Part

4.3 out of 5 stars 117 ratings

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  • Product Type:Auto Accessory
  • Item Package Weight:0.839 Kilograms
  • Item Package Dimension:7.112 cm L X21.59 cm W X27.94 cm H
  • Automotive Replacement Emission & Exhaust Products
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Cummins Power Generation 155-2449


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4.3 out of 5 stars
4.3 out of 5
117 global ratings
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Top reviews from the United States

Reviewed in the United States on October 15, 2016
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21 people found this helpful
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Reviewed in the United States on April 21, 2016
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5.0 out of 5 stars It worked as well as I had hoped it would
By Herman T. on April 21, 2016
Application: Airstream Interstate motorhome.
I installed it on the tip of my muffler pipe using a 1-1/2" muffler clamp I bought on Amazon.
The noise changed from "BRAAAAKKKK" to "Bruuuummmm". I would say it is 30% quieter.
Before, from inside the cabin the genset was louder than the air conditioner. Annoying.
Now the hum of the generator is less than the noise of the air conditioner. Sleeping comfort.

The resonator fit perfectly over the 1.25" exhaust pipe after it was deburred and greased.
It's only 12" long so that it could be permanent installed inline under the chassis.

I will use it at the campground where tent campers are nearby in close quarters.
With this fix, I feel much better about using my generator now.

Everyone has a different opinion on how effective it is. But I'm happy.

[[ASIN:B007HS14AS Cummins Power Generation 155-2449]]
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19 people found this helpful
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Reviewed in the United States on August 4, 2017
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5.0 out of 5 stars Great addition
By Goose on August 4, 2017
Great addition for my Cummins Onan gas generator that was just a little too loud for my liking. This resonator did the trick in quieting it down and made an immediate difference in the sound. It softens the sounds coming from the exhaust which is what was needed in my case. I cut, welded, and clamped it in the location recommended by my local Cummins Onan dealer.
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11 people found this helpful
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Reviewed in the United States on August 4, 2017
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10 people found this helpful
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Reviewed in the United States on August 5, 2016
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12 people found this helpful
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Reviewed in the United States on April 5, 2019
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3 people found this helpful
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Reviewed in the United States on May 19, 2020
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2 people found this helpful
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Reviewed in the United States on August 17, 2020
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