4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

Flowmaster blues

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Old Feb 26, 2007 | 03:05 PM
  #1  
2VNA's Avatar
2VNA
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Default Flowmaster blues


I have heard that this happens and now I know for a fact it will. I have had my flow’s on for about 7 years and the last two or three times I started the car rust is flowing out the back. Flow’s rust from the inside out.

What other mufflers won’t do that?
Old Feb 26, 2007 | 03:09 PM
  #2  
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Default RE: Flowmaster blues

anything stainless steel wont rust.

this isone reason why i ruled out flowmasters in general.
Old Feb 26, 2007 | 03:13 PM
  #3  
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Default RE: Flowmaster blues

Time for some Magnapacks.
Old Feb 26, 2007 | 03:22 PM
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Default RE: Flowmaster blues

ORIGINAL: 2VNA


I have heard that this happens and now I know for a fact it will. I have had my flow’s on for about 7 years and the last two or three times I started the car rust is flowing out the back. Flow’s rust from the inside out.

What other mufflers won’t do that?
It happens. Mine is garage kept and never driven inbad weather so I'm good.
Old Feb 26, 2007 | 03:34 PM
  #5  
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rainydayracing
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Default RE: Flowmaster blues

Yea, they rust. If you don't want rust, go stainless, or keep it in a garage and out of lousy weather.
Old Feb 26, 2007 | 03:36 PM
  #6  
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Dan04COBRA
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Default RE: Flowmaster blues

Even out of the elements they will rust. Moisture in the air will cause them to rust.

Most people never experience a problem though.
Old Feb 26, 2007 | 03:41 PM
  #7  
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Default RE: Flowmaster blues

ORIGINAL: Dan04COBRA

Time for some Magnapacks.
or you can just spend the extra $20 and get the stainless steel flows, with the lifetime warrenty
Old Feb 26, 2007 | 03:47 PM
  #8  
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rainydayracing
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Default RE: Flowmaster blues

ORIGINAL: GolfmanSpeck
or you can just spend the extra $20 and get the stainless steel flows, with the lifetime warrenty
Woah - I've never heard of them. If you're not dripping with sarscasm, could you provide links?
Old Feb 26, 2007 | 03:53 PM
  #9  
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red2k1gt
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Default RE: Flowmaster blues

LM's are stainless steel
Old Feb 26, 2007 | 03:53 PM
  #10  
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Default RE: Flowmaster blues

not sure, I put them on my 70 camaro. I just went to a shop told them that I wanted 2 chambers (none of that series crap), he only had one at the time but he said that he had the stainless steel ones that are usually $120, but I was able to talk him to $80 each.



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