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flowmaster 80 seies muffler

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Old Oct 1, 2011 | 07:43 PM
  #1  
89 350's Avatar
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From: Round Lake IL
Car: 1989 formula
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flowmaster 80 seies muffler

were iss the most enxpensive place to buy just an 80 series muffler
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Old Oct 1, 2011 | 09:29 PM
  #2  
StevenB L98/LS1's Avatar
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From: pensacola florida
Car: 1989 Firebird Formula
Engine: 5.7 LS1
Transmission: 4L60E
Axle/Gears: 3.27
Re: flowmaster 80 seies muffler

Parts store, or local muffler shop
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Old Oct 1, 2011 | 10:35 PM
  #3  
89 350's Avatar
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From: Round Lake IL
Car: 1989 formula
Engine: 350 l98
Transmission: 700R-4
Axle/Gears: 327
Re: flowmaster 80 seies muffler

did not know they sold it thsnkd will check it out
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Old Oct 2, 2011 | 08:43 AM
  #4  
3rdgenmaro's Avatar
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Car: 88 IROC
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Transmission: 700 r4
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Re: flowmaster 80 seies muffler

I get all of my flowmaster mufflers through Performance Curve.

http://performance-curve.com/

They used to also sell them cheap through their ebay store. Best price I could ever find, including the local places.
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Old Oct 2, 2011 | 02:29 PM
  #5  
Goosehead's Avatar
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Re: flowmaster 80 seies muffler

Originally Posted by 89 350
were iss the most enxpensive place to buy just an 80 series muffler

the most expensive place huh? well i have a muffler for ya, you can have it for 800 bucks.

expensive enough?
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Old Oct 2, 2011 | 03:52 PM
  #6  
StevenB L98/LS1's Avatar
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Joined: Aug 2008
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From: pensacola florida
Car: 1989 Firebird Formula
Engine: 5.7 LS1
Transmission: 4L60E
Axle/Gears: 3.27
Re: flowmaster 80 seies muffler

Originally Posted by 89 350
did not know they sold it thsnkd will check it out
It all really depends on what sound and performance you want, i have mostly stock ( SORT OF ) L98 with no cats and i enjoy the flowmaster sound, i didnt go 3 inch though because im not making 300 HP. If anything with everything i do have done im running pretty close to GM's estimated 240 HP spec. So im running mostly a full 2 1/2 inch 80 series setup. Mainly if you know some commercial people real well at parts store, they will cut you a deal, but mostly a parts store or online is the way to go for cheap.
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Old Oct 2, 2011 | 05:54 PM
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89 350's Avatar
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From: Round Lake IL
Car: 1989 formula
Engine: 350 l98
Transmission: 700R-4
Axle/Gears: 327
Re: flowmaster 80 seies muffler

great thanks
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