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new Drone free Dynomax Muffler?

  • Thread starter Thread starter nmcgrawj
  • Start date Start date Jul 5, 2010
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nmcgrawj

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Sep 28, 2003
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#21
  • Aug 24, 2010
  • #21
But atleast with a pair of flows you will have arguebly the best sound for a 5.0.
 

revhead347

Apparently my ex-husband made that mistake.
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#22
  • Aug 24, 2010
  • #22
nmcgrawj said:
But atleast with a pair of flows you will have arguebly the best sound for a 5.0.
Click to expand...

More like an obnoxiously loud sound, with a never ending drone at 2000rpms.

Kurt
 

nmcgrawj

Advanced Member
Sep 28, 2003
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#23
  • Aug 24, 2010
  • #23
Different strokes for different folks.


Numbers cant be argued....a lot of people dont buy flows because of everyone else already having them. And there's a reason for that.
 

revhead347

Apparently my ex-husband made that mistake.
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#24
  • Aug 24, 2010
  • #24
Very true. But the FlowMaster 2 chamber and Deltaflow are only marginally better than the stock mufflers for performance. I had 2 chambers on my Mustangs for years, and I just outgrew them. I got sick of the drone. If you have a big stroker motor like mine with FlowMasters, the noise is almost intolerable.

Kurt
 

BlackVert

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Oct 3, 2003
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#25
  • Aug 24, 2010
  • #25
i really need something to quiet mine down and get rid of the drone. any suggestions?
 

revhead347

Apparently my ex-husband made that mistake.
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#26
  • Aug 24, 2010
  • #26
If you want to get a quieter sound, then you are going to want a straight through Muffler. Either a Magnaflow, or an Ultraflow is about as quiet as you're going to get. Other than that, I don't know. Putting catalytic converters on the car helps a lot.

Kurt
 

Gearbanger 101

Straight Outta Locash
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#27
  • Aug 24, 2010
  • #27
Borla XL's are pretty quiet.

I've got Magnaflow's on my Cougar, and although they're not anywhere near as loud as the Flowmasters, I still get a noticable amount of drone at highway speeds.

Dynomax Turbo's are about the quietest I've heard before these new models came out.
 

nmcgrawj

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Sep 28, 2003
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Indianapolis, IN
Aug 24, 2010
#28
  • Aug 24, 2010
  • #28
revhead347 said:
Very true. But the FlowMaster 2 chamber and Deltaflow are only marginally better than the stock mufflers for performance. I had 2 chambers on my Mustangs for years, and I just outgrew them. I got sick of the drone. If you have a big stroker motor like mine with FlowMasters, the noise is almost intolerable.

Kurt
Click to expand...

Good point. There is such a large range of applications...its hard to label 1 muffler as "the best". A great sounding muffler on a <300rwhp setup...like a 2 chamber flowmaster...is going to be extremely loud once you add 100-200rwhp.

For the average combination....any aftermarket muffler will be fine and wont make a noticeable difference unless you are powered by a turbo. Otherwise...weather will make a bigger difference. 5hp is not enough for me to forgo "sound" and choose power. An in most applications...its not a 5hp or 5ft lbs tq difference. The ever so popular muffler shoot out shows this...

1.Flowtech Warlock (open) 374.2 hp/ 333.1 tq
2.Bassani Real Street 373.7 hp/ 333.8 tq
3.Hooker Maxflow 373.5 hp/ 333 tq
4.Borla XS 373.3 hp/ 332.6 tq
5.Magnaflow 372.8 / 332.5 tq
6.MAC 372.3 hp / 331.5 tq
7.Flowtech Afterburner 372.3 hp/ 330.1 tq
8.Hooker Aerochamber 372.1 hp/ 330.4 tq
9.Bassani 372 hp/ 333.5 tq
10.Spintech 371.6 hp/ 332.2 tq
11.Edelbrock Performer RPM 370.9 hp / 331.3 tq
12.Borla XR1 370 hp/ 334 tq
13.Flowtech Terminator 369.5 hp / 331.3 tq
14.Dynomax Ultra Flo 369.4 / 333.2 tq
15.Flowmaster 369.4 hp / 331.8 tq
16.Flowtech Warlock 366.3 hp / 325.3 tq
17.No muffs 365.2 hp / 330.1 tq


Turbo applications....a switch from flowmaster to dynomax results in 30-40hp. ( will add high HP non turbo set ups will see a larger difference than what this chart shows...but i dont have any data for that.)


Bassani will be my next muffler purchase.
 

revhead347

Apparently my ex-husband made that mistake.
20+ Year Stangneter
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#29
  • Aug 25, 2010
  • #29
Yeah. I remember that dyno test.

Kurt
 

SVT32VDOHC

waiting for the next hack atta
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#30
  • Aug 30, 2010
  • #30
nmcgrawj said:
1.Flowtech Warlock (open) 374.2 hp/ 333.1 tq
2.Bassani Real Street 373.7 hp/ 333.8 tq
3.Hooker Maxflow 373.5 hp/ 333 tq
4.Borla XS 373.3 hp/ 332.6 tq
5.Magnaflow 372.8 / 332.5 tq
6.MAC 372.3 hp / 331.5 tq
7.Flowtech Afterburner 372.3 hp/ 330.1 tq
8.Hooker Aerochamber 372.1 hp/ 330.4 tq
9.Bassani 372 hp/ 333.5 tq
10.Spintech 371.6 hp/ 332.2 tq
11.Edelbrock Performer RPM 370.9 hp / 331.3 tq
12.Borla XR1 370 hp/ 334 tq
13.Flowtech Terminator 369.5 hp / 331.3 tq
14.Dynomax Ultra Flo 369.4 / 333.2 tq
15.Flowmaster 369.4 hp / 331.8 tq
16.Flowtech Warlock 366.3 hp / 325.3 tq
17.No muffs 365.2 hp / 330.1 tq
Click to expand...


Damn, 17 dyno runs to test mufflers? Surprised by the 10th run, that car wasn't making 50 less HP because the motor was worn out. LOL. j/k I think my 96 Cobra had 10-12 passes before the tune was perfect.

I agree with Nate...Flowmasters have got to be the best sound on a 5.0L. Drone...yes...but sound...you just can't beat it.
 

Venom351R

Founding Member
Apr 27, 2002
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#31
  • Aug 30, 2010
  • #31
anyone know what mufflers are used on the dynomax side exhaust kits?
 
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