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Which flows better?

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Old Sep 29, 2008 | 07:12 PM
  #1  
all4u's Avatar
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From: Elk Grove Village
Car: Firechicken
Engine: 350 + 30 over, 400 crank
Transmission: autotragic, stalled
Axle/Gears: not a one tire fire, thank god!
Which flows better?

Do you think that a single cat y pipe with the cat gutted flows more than a dual cat y pipe with both stock cats in place and not gutted? Both y pipes being the same diameter and both being mandrel bent.
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Old Sep 30, 2008 | 12:03 PM
  #2  
all4u's Avatar
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From: Elk Grove Village
Car: Firechicken
Engine: 350 + 30 over, 400 crank
Transmission: autotragic, stalled
Axle/Gears: not a one tire fire, thank god!
Re: Which flows better?

bump
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Old Sep 30, 2008 | 02:17 PM
  #3  
all4u's Avatar
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From: Elk Grove Village
Car: Firechicken
Engine: 350 + 30 over, 400 crank
Transmission: autotragic, stalled
Axle/Gears: not a one tire fire, thank god!
Re: Which flows better?

Uh, I didn't need like a dyno chart, just opinions. Do I need a chip burned if I go single cat? That would suck.
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Old Sep 30, 2008 | 08:27 PM
  #4  
sailtexas186548's Avatar
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From: Kemah, Tx
Car: 1991 z28
Engine: Turbo 310
Transmission: T56
Axle/Gears: D44
Re: Which flows better?

no you wont need a chip, i have had no, two, and one cats with the same chip, its fine
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Old Oct 2, 2008 | 01:50 AM
  #5  
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
Re: Which flows better?

Two pipes are better than one.

Just look at the posts about putting "true-dual" exhaust on our cars.
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