M813 muffler alternative options?

[MONGOinOhio]

Need a new muffler (truck had been "straight" piped when I got it). Didn't know if local part stores or diesel truck suppliers would have something that might be better than 1970s technology for noise suppression. I know there are a couple of the usual suspects as far as parts suppliers go for this beast.

Just wanted to check and see if anything new was out there.

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[US6x4]

The stock muffler is pretty effective at reducing noise. I didn't realize how much so until I took mine off...

 

[87cr250r]

We use Harco mufflers. They're more stationary and marine oriented. They have range of sound reduction ratings.

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