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Help me choose a 3.5" in and out muffler

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Old 08-23-2011, 08:04 AM
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Originally Posted by TheBurlyMan
My spintech 3.5" 6000 pro series will be here today. I should be able to post a video by this weekend
sweet!, I will be on the look out for the vid.
Old 08-23-2011, 08:20 AM
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Any of y'all have videos of those big case magnaflows? That's what I want.
Old 08-24-2011, 01:20 PM
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Originally Posted by DoesSpeedTurnUon
Any of y'all have videos of those big case magnaflows? That's what I want.
ask blackgmc. he has one
Old 08-24-2011, 01:37 PM
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This is kit 15573, it has the big 22" muffler plus a 16" resonator. With headers, I think i'd be very happy with this.

Denali magnaflow exhaust and AR headers - YouTube
Old 08-24-2011, 01:39 PM
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oh you wanted a kit. sorry, he just has a muffler.
Old 08-24-2011, 01:43 PM
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Originally Posted by fastrt
oh you wanted a kit. sorry, he just has a muffler.
Well I had that 22" muffler on stock manifolds on my 5.3 and it was quieter than the stock muffler was, but had a nice tone to it. I'm totally game for replacing my stock muffler with this again - but then adding headers. I was to impatient with the 5.3 and needed volume then, so I got rid of it. Hindsight, I should have kept it. If I find a used 22" muffler i'll probably put it on now. Then put headers on.

The kit is nice. but I want to hear the 6.2 with JUST the magnaflow 22".
Old 08-24-2011, 11:12 PM
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I LOVED my H/C 5.3L with LT's and 3in ORY with the 22in magnaflow. It was the offset one so it was a bit quieter than the straight through. It was quiet and had no drone at cruise/driving and when i would pull into get gas you could still the the cam because i got asked a number of times lol Had a great sound once you hit the skinny pedal also... If i ever put LT's on this truck i'll get another 22in magnaflow for sure!!!
Old 08-30-2011, 05:22 PM
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I think I am leaning to the dynatech split flow with no cutout. Just 1 3/4" aem headers, 3" ory, 3.5" straight back to a 14" dynatech and 3.5" turn out before the rear tire , under the bed. I will sell my 24" case magnaflow 5x8 oval muffler and 3" race ready performance cutout setup when I do.
Old 08-30-2011, 06:30 PM
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Originally Posted by fastrt
I think I am leaning to the dynatech split flow with no cutout. Just 1 3/4" aem headers, 3" ory, 3.5" straight back to a 14" dynatech and 3.5" turn out before the rear tire , under the bed. I will sell my 24" case magnaflow 5x8 oval muffler and 3" race ready performance cutout setup when I do.
nice choice, i'm currently running them a they sound great. flow like a mother too.
Old 08-30-2011, 07:39 PM
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Originally Posted by sprayedenali
magnaflow!!!! the smaller the case the louder it will be.... if its too loud, just add another small one
this the shorter and smaller around the case is the louder it will be. hell my muffler is 30" long but only 7" diameter and 4" in out and its loud as **** at wot. but cruising its quiet inside the tahoe. but it idles nice and deep.


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