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1967 - 1972 F-100 & Larger F-Series Trucks Discuss the Bumpsides Ford Truck

Which Mufflers?

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Old Jun 11, 2007 | 07:36 AM
  #16  
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Originally Posted by mustangnick88
I just bought a set of 22in magnaflows, I like that they are not chambered like flowmasters. I hope that because they are about 8in longer than most other mufflers sound will be nice
You will like the sound. They don't have the drone that Flowmasters have. Mine are run all the way out the rear. Nice throaty sound when you mash on it.
 
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Old Jun 15, 2007 | 10:14 PM
  #17  
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Originally Posted by f2501967
powersticks are chambered mufflers, small in diameter. mine are 20" long. since they are small in diameter, they will fit better tucked up between the drive shaft and frame. the flow masters are just below the frame rails. just go to www.powerstick.com they have sound clips.
Better get them fast....that link is no longer active: The domain powerstick.com is for sale. To purchase, call BuyDomains.com
 
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Old Jun 17, 2007 | 08:37 AM
  #18  
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Personally I like flowmaster I hate to pay the price so I started making my own. But do your research most muffler brands have sound clips and buy the sound you like not what you were told to buy.
 
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Old Jun 18, 2007 | 08:34 PM
  #19  
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Originally Posted by jwtimme
Personally I like flowmaster I hate to pay the price so I started making my own. But do your research most muffler brands have sound clips and buy the sound you like not what you were told to buy.
I can get you some high quality copies for a fraction of the price. The quality is just as good as the real deal.
 
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Old Jun 20, 2007 | 11:44 AM
  #20  
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I don't know if I understand what the differences and pro/con of all these mufflers are.....sadly, I've only ever bought mufflers for Air-cooled VW's before, of which there about 2 types.....lol......

Seems I'm looking at the "flowmaster" mufflers based on good commentary I have heard....but I don't get the difference, etc for a 40 series Delta flow vs. Super 40 vs. super 44 vs. 40 series Street and strip. Then there is what is the benefit of a "3 chambered" vs. a "2 chambered" muffler?

Are there certain ones that trucks should use over others....or is all this just purely a matter of essentially equal choices?

For posterity sake....here are some pics of the current "rocket engines" on my truck....(I'm gonna miss 'em)
http://img.photobucket.com/albums/v1...o/DSCN0821.jpg
http://img.photobucket.com/albums/v1...o/DSCN0822.jpg
http://img.photobucket.com/albums/v1...o/DSCN0823.jpg
 

Last edited by Unimog005; Jun 20, 2007 at 11:53 AM.
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Old Jun 20, 2007 | 12:16 PM
  #21  
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I got just 24" glass packs on mine, they're pretty loud, and with a finely tuned carb do not pop a lot, just a hair on decel. however, i don't know what kind of performance they added over whatever was on it to begin with, as these were already on here with true duals when i bought it. they are pretty quiet inside the cab down the highway, as i can tune them out with a cd player and the cheap speakers i got.
 
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Old Jun 20, 2007 | 07:18 PM
  #22  
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Then there is what is the benefit of a "3 chambered" vs. a "2 chambered" muffler?

Here's what I know about the 2 and 3 chambered Flowmasters: If you're running a big block, or in our case an FE, go with 3 chambers. Smaller engines will do fine with the 2 chamber. The biggest difference is the two chambered are just too loud for the bigger engines.
 
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Old Jun 21, 2007 | 12:41 PM
  #23  
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I like Sanderson Headers and Flowmasters.
 
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Old Jun 21, 2007 | 01:00 PM
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Well, I had to go with the Dynomax 85066 headers...as they seem to be the *ONLY* ones that fit the "High Boy" trucks....same as the leaking/bent ones I already have... I'm looking towards the flowmaster 50's....as it seems I need a 3-chambered muffler for the 390.
 
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Old Jun 21, 2007 | 07:37 PM
  #25  
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What is the proper muffler size?

The exit on the headers is about 3 inches, is that the same size I need on the mufflers, or should they be smaller?
 
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Old Jun 21, 2007 | 08:49 PM
  #26  
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2 1/4" is sufficient.
 
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Old Jun 22, 2007 | 11:25 AM
  #27  
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Originally Posted by instig8r63
2 1/4" is sufficient.
Will 2 1/2" be much different? I'm now looking at the flowmaster 70's, and they do not come in a 2 1/4"......
 
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