4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

no exhaust = problem?

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Old 06-27-2006, 11:17 PM
  #1  
JayBanion
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Default no exhaust = problem?

My friend and I were bored today so we decided to unbolt the exhaust at the cats on my car. I drove it for the day like that. Would this have done any damage to the car?
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Old 06-27-2006, 11:19 PM
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Rantheman
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Default RE: no exhaust = problem?

well from what i know is there is a possiability of warm and cold air mixing sucking up into the manifold and warping valves
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Old 06-27-2006, 11:19 PM
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sprostang
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Default RE: no exhaust = problem?

After the cats? No, it wont hurt anything.
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Old 06-27-2006, 11:21 PM
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StickShifty
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Default RE: no exhaust = problem?

open headers i have heard can cause problems over time.
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Old 06-27-2006, 11:36 PM
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MustangMan00
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Default RE: no exhaust = problem?

u mean after the cats right?....lol ya i did that too when i first got the car.....and now afetr exhaust i look back and am like wow what was i thinking lol
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Old 06-27-2006, 11:51 PM
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Cornbread01
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Default RE: no exhaust = problem?

if you run just headers cold air can get sucked in and warp a valve if you want the sound get your self a set of straight pipe that way it wont kill your engine
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