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2 Chamber Mufflers vs Straight Pipes

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Old 03-08-2014, 02:58 PM
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Default 2 Chamber Mufflers vs Straight Pipes

So I recently bought some Pro Series 2 Chamber Mufflers that I plan on putting on before the summer. I currently have straight pipes on my 3.8 SS that I want to replace because of the "back-pressure" issue that alot of people are telling me about.

I took my car to my mechanic earlier and asked him what his thought were and he told me that the 2 chambers would be LOUDER than the straights which is what I kind of wanted to stay away from. The straights are loud already and drone really bad around 0-2000rpms. I do like the way the growl sounds with a slight push on the petal but otherwise, its kind of annoying.

I'm hoping that the 2 chambers will have a more muffled sound but still have a nice growl. Anyone have any experience with 2 chambers? Or any videos that give a good idea of what they sound like? Thanks in advance.
 
  #2  
Old 03-08-2014, 06:16 PM
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What is the back pressure issue with straight piping them?
 
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Old 03-08-2014, 06:22 PM
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It really all depends on what the manufacturer was going after. In general, a dual chambered muffler will be quieter versus a single chamber. However that will depend on design and materials used. Most dual chamber mufflers reverse the flow then reverse it again. This quiets the exhaust a bit (versus single chamber) before it exits the muffler. How quiet depends on the type of material used and how much as the insulating jacket.
 
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Old 03-09-2014, 02:55 PM
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Originally Posted by 03SSLE View Post
It really all depends on what the manufacturer was going after. In general, a dual chambered muffler will be quieter versus a single chamber. However that will depend on design and materials used. Most dual chamber mufflers reverse the flow then reverse it again. This quiets the exhaust a bit (versus single chamber) before it exits the muffler. How quiet depends on the type of material used and how much as the insulating jacket.
Ah...I see. Thank you for explaining it like that. That makes alot of sense.
 
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Old 03-09-2014, 04:29 PM
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I have 2 chambered mufflers on mine.its a 3800 N/A..
But I also have tails and tips!... ITs not excessive... No droneing ... Yet when you hit the loud pedal..It doesn't sound like a rice burner...
Yet has a Great Tone that lets you know I'm to be looked at...
Loud enough to be proud! Not quiet enough to to get lost in the crowd.

I am using Accelerator chambered muffler...
(Res delete)
 
  #6  
Old 03-09-2014, 06:18 PM
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Originally Posted by STUMPMI View Post
I have 2 chambered mufflers on mine.its a 3800 N/A..
But I also have tails and tips!... ITs not excessive... No droneing ... Yet when you hit the loud pedal..It doesn't sound like a rice burner...
Yet has a Great Tone that lets you know I'm to be looked at...
Loud enough to be proud! Not quiet enough to to get lost in the crowd.

I am using Accelerator chambered muffler...
(Res delete)
And that's exactly what I'm looking for. I also deleted my stock res and replaced it with a hi-flow one. I do have to get some tips as well. I'm still using the stock ones. Any suggestions on some good tips?
 
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