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should I keep the glasspack for my cat with my magnaflow

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Old Jun 9, 2012 | 05:19 PM
  #1  
jaybdaboat's Avatar
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From: Indianapolis, in
Car: 1987 Sports coupe/z28
Engine: 2.8/ swapping 5.3
Transmission: 700r4
Axle/Gears: Open 3.42
should I keep the glasspack for my cat with my magnaflow

I have an glasspack for my cat. I want it off, I think it will be less restrictive and more free flowing and a little louder if I replace it with straight pipe. keep it or trash it?




I already have magnaflow which one Idk just knows it has one inlet and 2 outlets.
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Old Jun 9, 2012 | 05:34 PM
  #2  
dctrouant1995's Avatar
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From: dothan, al
Car: 1988 pontiac trans am
Engine: None
Transmission: None
Axle/Gears: 10 Bolt
Re: should I keep the glasspack for my cat with my magnaflow

do you have the muffler installed or just have it laying around?
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Old Jun 9, 2012 | 06:13 PM
  #3  
jaybdaboat's Avatar
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Joined: Jan 2009
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From: Indianapolis, in
Car: 1987 Sports coupe/z28
Engine: 2.8/ swapping 5.3
Transmission: 700r4
Axle/Gears: Open 3.42
Re: should I keep the glasspack for my cat with my magnaflow

They both are on my car right now.
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Old Jun 9, 2012 | 06:48 PM
  #4  
dctrouant1995's Avatar
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From: dothan, al
Car: 1988 pontiac trans am
Engine: None
Transmission: None
Axle/Gears: 10 Bolt
Re: should I keep the glasspack for my cat with my magnaflow

I'd take the glass pack off and just weld a pipe in. I've never liked glass packs
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Old Oct 26, 2012 | 06:16 PM
  #5  
jaybdaboat's Avatar
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Joined: Jan 2009
Posts: 507
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From: Indianapolis, in
Car: 1987 Sports coupe/z28
Engine: 2.8/ swapping 5.3
Transmission: 700r4
Axle/Gears: Open 3.42
Re: should I keep the glasspack for my cat with my magnaflow

I askedthis question monks ago. So bump please
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Old Nov 3, 2012 | 07:14 AM
  #6  
RJMcEachern's Avatar
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Joined: Aug 2012
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From: East Central Illinois
Car: 87 GTA, 91 Nissan 300ZX 2+2
Engine: 5.7L, 6 banger NA
Transmission: 700R4, Auto
Axle/Gears: 3.27 Posi, no idea
Re: should I keep the glasspack for my cat with my magnaflow

i don't care for the sound of glass packs, so my vote would be to remove them and since were in illinois and don't have emissions checks in our area i would do a pipe in it's place (mandrel bent).

RJMcEachern
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Old Nov 3, 2012 | 09:12 AM
  #7  
WyoJames's Avatar
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From: Wyoming
Car: 1987 IROC
Engine: 305 TPI swapped to Holly 4bbl
Transmission: WC T5
Re: should I keep the glasspack for my cat with my magnaflow

Personal preference. If you don't want the glasspack there. Take it out and throw a straight pipe in its place. If you don't like the sound of that, put the glasspack back. Exhaust comes down to the sound and tone you're looking for and willing to pay for.
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