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Bought GTA Had No Cat Gotta Register Car With Proper Emission Setup What To Do?

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Old Jun 3, 2010 | 07:40 PM
  #1  
Slowridr's Avatar
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Car: 1987 GTA Vert & 1991 GTA 5 Speed
Engine: 87 GTA-L98 91 GTA LB9
Transmission: GTA-700R4 & GTA T5
Bought GTA Had No Cat Gotta Register Car With Proper Emission Setup What To Do?

They left all the emissions stuff on the car. Just no Cat. Its got an aftermarket exhaust and it sounds really good. Kinda loud but not to loud. I know one Cat will quiet it down a little. It will also cut horspower and torque. I was thinking about doin twin Cats.

I dont know what Ill run into so Im looking for input here.

Give me all suggestions please.
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Old Jun 4, 2010 | 07:23 AM
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From: Pgh PA
Car: 89 5.7 IROC/95 LT1 Corvette
Engine: All 5.7's
Transmission: 700R4 (Roessler)/ZF6
Axle/Gears: 10 bolt Zexel 3.23's. CTW 17" wheel
Re: Bought GTA Had No Cat Gotta Register Car With Proper Emission Setup What To Do?

I was in the same situation, I just added a single 3" high flow Walker cat. I also flanged it for removability, You know, for test purposes.
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Old Jun 4, 2010 | 10:28 AM
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Car: 1987 GTA Vert & 1991 GTA 5 Speed
Engine: 87 GTA-L98 91 GTA LB9
Transmission: GTA-700R4 & GTA T5
Re: Bought GTA Had No Cat Gotta Register Car With Proper Emission Setup What To Do?

That sounds good.
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Old Jun 4, 2010 | 11:18 AM
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Slowridr's Avatar
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Car: 1987 GTA Vert & 1991 GTA 5 Speed
Engine: 87 GTA-L98 91 GTA LB9
Transmission: GTA-700R4 & GTA T5
Re: Bought GTA Had No Cat Gotta Register Car With Proper Emission Setup What To Do?

Anything else I should know about reconnecting emissions stuff?
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Old Jun 4, 2010 | 11:53 AM
  #5  
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From: Raleigh, NC
Car: 1988 GTA
Engine: 305 tpi (LB9)
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Re: Bought GTA Had No Cat Gotta Register Car With Proper Emission Setup What To Do?

Originally Posted by Slowridr
Anything else I should know about reconnecting emissions stuff?
It depends. What state do you live in? Do you have to pass a tail pipe test or just visual?
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Old Jun 4, 2010 | 01:42 PM
  #6  
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Car: 1987 GTA Vert & 1991 GTA 5 Speed
Engine: 87 GTA-L98 91 GTA LB9
Transmission: GTA-700R4 & GTA T5
Re: Bought GTA Had No Cat Gotta Register Car With Proper Emission Setup What To Do?

Georgia.

I guess I better get to work and find out what Im up against. If anyone knows please give me a heads up.

Thanks
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