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Can i put dual Cats on my 87 GTA

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Old Apr 5, 2001 | 11:18 PM
  #1  
Stormshadow GTA's Avatar
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From: British Columbia,Canada
Can i put dual Cats on my 87 GTA

if you have pictures i would like to see them.does anybody make a kit to do it


thanks
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Old Apr 5, 2001 | 11:21 PM
  #2  
Kevin91Z's Avatar
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From: Orange, SoCal
Car: 1990 Pontiac Trans Am
Engine: 355 TPI siamesed runners
Transmission: Tremec T56
Axle/Gears: 12-Bolt 3.73
The only kit is from GM and its $800 for the stock piece. However you can get dual-cat headers and a y-pipe, or you pay a muffler shop to make up a custom y-pipe for you. I dont know of an aftermarket dual-cat y-pipe that bolts up the stock manifolds.

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1991 Camaro Z28
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Old Apr 6, 2001 | 10:41 AM
  #3  
Pino91Formula's Avatar
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From: Brockton, MA, USA
GM is not the only KIT, Discountconverters has a great kit for $380 part #4153

http://www.discountconverter.com/con...s/gm/index.htm
I have it and its better then the GM setup .

[This message has been edited by Pino91Formula (edited April 06, 2001).]
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Old Apr 6, 2001 | 11:56 PM
  #4  
Ray87Z's Avatar
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From: Atlanta, GA, US of A
Car: 94 Z28
Engine: LT1 w/ headers, catback, CAI, tune
Transmission: 4L60E
Axle/Gears: 3.23s
Why do you want them that badly? Just get a set of headers and a high flow 3" cat. You're looking at the same price range and the header/high flow single cat will kick the crap outta the stock manifold/dual cat setup performance wise...

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Ray87Z
-Vortec headed 350.
86 IROC w/ a cammed 305 TPI.
Formerly Ray86IROC.
www.inter-scape.com/Ray
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