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stock dual cats

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Old Nov 20, 2001 | 07:02 PM
  #1  
89_G92_Iroc's Avatar
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From: New Westminster B.C. Canada
stock dual cats

I was wondering if it is better to use the stock dual cats or replace them with one high flow cat? I have edelborck 1 5/8" headers and a flowmaster 3" cat-back exhaust
system.
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Old Nov 20, 2001 | 09:14 PM
  #2  
breathment's Avatar
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From: Bedford, Tx
well, if u have the stock cats, chances are they're is nothign left in them, or they are really clogged, but since high flow cats flow better then stock, then yes i do think u would notice a difference getting high flow ones, even with dual cats, maybe not as much as someone with a single cat.

------------------
- David
88' GTA 5.7L TPI MODS---> air foil, K&N, Shift Kit, 180* therm, TB bypass, Gutted CAT, Flowmaster 80 Series Muffler added to Unkown CatBack, Ported Intake

http://www.geocities.com/david_angel_16
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Old Nov 21, 2001 | 01:53 AM
  #3  
89_G92_Iroc's Avatar
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From: New Westminster B.C. Canada
So I should get a y-pipe made and have one high flow cat.
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Old Nov 21, 2001 | 02:51 AM
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breathment's Avatar
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From: Bedford, Tx
well what i ment by you would notice more of a difference with a single cat, is that your car already makes more power since u have two cats, and i ment that IF you had one cat, and u upgraded to ONE highflow cat, then you would FEEL more of a difference then a person who had dual cats. For Example, a single cat person might go from 180 RW HP to 195 RW HP. While a dual cat person would already start off at 190 RW HP, and with dual highflow cats only get 197 HP. and would only feel a smaller gain, but in the long run would have more HP. (now my HP figures are ONLY for example only)

Im sorry i guess i kinda was vague in my first post.

------------------
- David
88' GTA 5.7L TPI MODS---> air foil, K&N, Shift Kit, 180* therm, TB bypass, Gutted CAT, Flowmaster 80 Series Muffler added to Unkown CatBack, Ported Intake

http://www.geocities.com/david_angel_16
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