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

quick exhaust question

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Old Dec 26, 2006 | 04:07 PM
  #1  
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SVTBill
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are there any sensors located after this cross over on the mid pipe, if so what kinda are they and will taking the rear cats off mess with them? thanks
Old Dec 26, 2006 | 04:12 PM
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yeah there are two after your cats, and taking the cats out will 'mess' with them unless you get MIL eliminators or a tuner.
Old Dec 26, 2006 | 04:15 PM
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Default RE: quick exhaust question

the cats and the sensors are before the crossover ( h, x)
Old Dec 26, 2006 | 04:18 PM
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Check this pic I made.
And yes I got a little too much time on my hands right now.

[IMG]local://upfiles/46815/668C9423BDD84B0B827DF8E4F4D134CB.jpg[/IMG]
Old Dec 26, 2006 | 04:19 PM
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ORIGINAL: monkeydude3

yeah there are two after your cats, and taking the cats out will 'mess' with them unless you get MIL eliminators or a tuner.
even if i take only the rears off?

RedAlertlb
yeah there are two after your cats, and taking the cats out will 'mess' with them unless you get MIL eliminators or a tuner.
i thought there was 4, 2 before the cross over and two after. [&:]
Old Dec 26, 2006 | 04:21 PM
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SVTBill
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ORIGINAL: bleau

Check this pic I made.
And yes I got a little too much time on my hands right now.

[IMG]local://upfiles/46815/668C9423BDD84B0B827DF8E4F4D134CB.jpg[/IMG]
dammit ***, so if i get only 2 taken off them i AM going to have to get a tuner or 02 eliminator? [:@]
Old Dec 26, 2006 | 04:22 PM
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RedAlertlb
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Default RE: quick exhaust question

There are 4 but they are all before the crossover and if you only take the rear cats off no lights should come on but removing all of them would require mils. At least thats what people have done here on the forums
Old Dec 26, 2006 | 04:24 PM
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ORIGINAL: RedAlertlb

There are 4 but they are all before the crossover and if you only take the rear cats off no lights should come on but removing all of them would require mils. At least thats what people have done here on the forums
so if i get the rears taken off, they will take off the rear sensors too? or just leave them their, obsolete?
Old Dec 26, 2006 | 04:33 PM
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Default RE: quick exhaust question

you just leave the rear sensors in and the front cats are supposed to generate enough heat so that the sensors dont trigger the check engine light
Old Dec 26, 2006 | 04:42 PM
  #10  
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ORIGINAL: RedAlertlb

you just leave the rear sensors in and the front cats are supposed to generate enough heat so that the sensors dont trigger the check engine light
so when it's cold outside and i start the car for the first time in a while, the light will be on for a few minutes till the car warms up?



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