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**pjmoreland** · 03-30-2023, 12:18 PM

This is a fairly decent video from Flowmaster:

https://m.youtube.com/watch?v=JcqJmwaDfYE

I've had 40-series mufflers on a couple of trucks. I ended up going with the 50-series Delta Flow this time around to tone things down a bit. The idle is definitely tamed down and sounds less like a speed boat, as my neighbor said.

03-30-2023, 12:18 PM	#7
pjmoreland Senior Member Join Date: Jan 2005 Location: CA Posts: 6,235	Re: What 3” muffler has the following characteristics: This is a fairly decent video from Flowmaster: https://m.youtube.com/watch?v=JcqJmwaDfYE I've had 40-series mufflers on a couple of trucks. I ended up going with the 50-series Delta Flow this time around to tone things down a bit. The idle is definitely tamed down and sounds less like a speed boat, as my neighbor said.