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I am wanting to add some low and mild exhaust to my truck but I don't want to sacrifice the quiet cabin at highway speeds. To avoid a drone, I want a mild muffler. I was recommended a flow master 40. Does anyone have experience with this muffler on a 5.3L?

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Flowmaster  50 Delta, remove resonator, leave flapper. No drone, no helicopter noise. Not "LOUD" but you definitely know it is not stock.

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A 40 series is NOT quiet. Someone was messing with you. 

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20 hours ago, AJMBLAZER said:

A 40 series is NOT quiet. Someone was messing with you. 

LOL I was wondering about this myself.

 

I don't know enough about exhaust tuning in general so I wasn't going to comment but I had a FM40 on my MY04 Tahoe and it was not at all quiet and had a lot of drone.

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It’s about the loudest they have except for a full-on race muffler. 

 

Look around on YouTube. Lots of 5.3 exhaust vids on there. See what you like. 

If my muffler ever bites it I’m replacing it with a 3” stainless 26” Jones muffler. Straight through for the most flow but long so not loud and barky. 

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