Cut away of a Dyno Max muffler #18381

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Good to know a part number for a quiet muffler, I am going to have to try those Dyno max mufflers. I recently put flowmaster delta flow 50 series on a customer vehicle (non mopar) (ford 460) to see what they sound like. Flowmaster is an extremely high quality product that is made in USA but they are louder than I expected.

I would have liked a quieter muffler after I had a chance to drive the vehicle for a couple weeks

Flowmaster mufflers
 
rumblefish360 said:
Oh wow! That’s weird! I’d love to put some on a flow bench. No one really provides the mufflers flow rate. Just dyno max on there performance mufflers and Heartthrob. I don’t know how to convert 222cfm @10hg to 28hg.
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370.74 cfm. 222 x 1.67 = 370.74 (via SuperFlow handbook)
 
'63GT said:
I'm assuming it is for the Dynomax muff you quoted.. I just wanted to help out with the conversion from 10" pressure drop to 28"..
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OH! Thanks! Totally missed that. Dang. The posted numbers were on the “Heart Throb” units.
Now we know! Thanks.

That’s a pretty healthy muffler then!
 
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