Anyone have any experience with this sound-deadening muffler? Looks like a good deal...

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Forum topic by bendwriter posted 02-20-2018 06:13 AM 1450 views 0 times favorited 3 replies Add to Favorites Watch
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15 posts in 1145 days

02-20-2018 06:13 AM

Topic tags/keywords: muffler cyclone dust collector sound deadening

Hi all: Came across this sound-deadening muffler for sale on Houzz. Great price, and free shipping. Also comes in an 8” size. I was wondering if anyone else has seen this or had occasion to try one. Cheaper than I could build one for by the time I ordered the foam and other parts, and if it reduces the noise from my cyclone by a few decibles, it might be worth a try.

-- "Rescuing one dog won’t change the world, but it surely will change the world for that one dog"

3 replies so far

View pintodeluxe's profile


6206 posts in 3665 days

#1 posted 02-20-2018 06:49 AM

I covered my 6” inlet pipe with flexible insulation, made for HVAC systems. I insulated the first 5 feet from the dust collector, and it seemed to help quite a bit. It’s available at the big box stores in both 6” and 8” diameter, and costs under 10 bucks.

The link you posted looks pretty good too. I think it’s worth a shot.

-- Willie, Washington "If You Choose Not To Decide, You Still Have Made a Choice" - Rush

View CaptainKlutz's profile


3603 posts in 2346 days

#2 posted 02-20-2018 07:56 AM

Oneida and Grizzly sell noise reducer kits for their dust collectors that is similar to the one linked. Available in common exhaust exit sizes from 5” to 8” with a little searching.

Have seen claims of a 10db noise reduction, but my ears tell me my 6” version only removed about ~3db which is still half as noisy? My guess is that a higher reduction is achieved when using smooth wall pipe on the exhaust? Using flex hose on exit to form a 90 degree corner adds some turbulence and seems to offer some reduction alone.

-- If it wasn't for bad luck, I wouldn't have no luck at all, - Albert King - Born Under a Bad Sign released 1967

View bendwriter's profile


15 posts in 1145 days

#3 posted 02-22-2018 12:03 AM

I think I’m going to order one and give it a try. I’ll also experiment with the duct insulation and 90 degree corner ideas and report back on the progress. I have a decible meter on my phone, and I’m currently showing 76 db at 10’. Don’t know if that’s totally accurate (although it is what the manufacturer said the cylcone noise level was rated at), but at least I have a reference to see if I’m making any difference.

-- "Rescuing one dog won’t change the world, but it surely will change the world for that one dog"

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