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  #1  
Old 12-09-2011, 04:42 PM
ford for lif3 ford for lif3 is offline
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Default ???? do i need my cat

hey i was wonder if i need to have a cat on my 1993 ranger
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Old 12-09-2011, 04:46 PM
STL STL is offline
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Default Re: ???? do i need my cat

Yes
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Old 12-09-2011, 04:46 PM
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Yerp
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Old 12-09-2011, 04:53 PM
torps93splash torps93splash is offline
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What's a cat? ;D

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Old 12-09-2011, 04:54 PM
Neo Neo is offline
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What's a cat? ;D

Sent from my HTC EVO Shift
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Old 12-09-2011, 06:09 PM
Brodie_laj Brodie_laj is offline
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Default Re: ???? do i need my cat

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Originally Posted by torps93splash View Post
What's a cat? ;D

Sent from my HTC EVO Shift
A Cat is short for Catalytic Converter... it is part of your exhaust system and is needed for emmisions standards
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Old 12-09-2011, 06:10 PM
torps93splash torps93splash is offline
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I know that lo? It was a joke..

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Originally Posted by Brodie_laj View Post
A Cat is short for Catalytic Converter... it is part of your exhaust system and is needed for emmisions standards


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Old 12-09-2011, 10:25 PM
mudsling556 mudsling556 is offline
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Default Re: ???? do i need my cat

Yes, unless you want lots of noise, bad mpgs, and a motor that doesnt perform that well.
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Old 12-10-2011, 03:20 PM
traacer traacer is offline
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Default Re: ???? do i need my cat

Yes and no. Yes if you want to pass any form of emissions, no since your O2 sensor is before it so it won't throw a CEL if it's not on there.
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Old 12-10-2011, 03:29 PM
pooleo pooleo is offline
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Default Re: ???? do i need my cat

x2 on yes and no. You need it for emission test (no tests in MI!) you dont need it if you want to change the sound of your exhaust or open up the engine. I took them off my 97, did not have any problems. I plan on removing them from both my current rangers when the time comes. But I dont plan on having plow rig loud like my 97, so I may leave them on or replace them, or run 3 mufflers
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Old 12-11-2011, 07:00 AM
ford for lif3 ford for lif3 is offline
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Default Re: ???? do i need my cat

thanks....i plan on putting a full performace exhaust on my truck just wanted to know if i needed a cat thanks again
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Old 12-11-2011, 06:36 PM
Kersh912 Kersh912 is offline
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Default Re: ???? do i need my cat

where is the front catalytic converter at on a 2004 ford ranger edge 3.0
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  #13  
Old 12-11-2011, 07:26 PM
cdawall cdawall is offline
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Default Re: ???? do i need my cat

Quote:
Originally Posted by mudsling556 View Post
Yes, unless you want lots of noise, bad mpgs, and a motor that doesnt perform that well.
Well thanks for throwing all of the wrong info out there. Without a rear O2 sensor like the 1993 model truck has, there is no way the motor even knows that it has a cat. With a good muffler he will have enough backpressure to keep the truck happy. It will probably not make the truck perform better, but since its a pre OBD-II truck it will also not hurt performance in anyway shape form or fashion. It will make the truck louder so if thats what the OP is looking for it will do so. It gets a very V8ish sound to it probably has a lot to do with the relatively large displacement for a V6 these have.


That being said it is illegal to remove. Huge fine from the EPA if they somehow found out yours was removed.
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Old 12-11-2011, 10:13 PM
ford for lif3 ford for lif3 is offline
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Default Re: ???? do i need my cat

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Originally Posted by cdawall View Post
Well thanks for throwing all of the wrong info out there. Without a rear O2 sensor like the 1993 model truck has, there is no way the motor even knows that it has a cat. With a good muffler he will have enough backpressure to keep the truck happy. It will probably not make the truck perform better, but since its a pre OBD-II truck it will also not hurt performance in anyway shape form or fashion. It will make the truck louder so if thats what the OP is looking for it will do so. It gets a very V8ish sound to it probably has a lot to do with the relatively large displacement for a V6 these have.


That being said it is illegal to remove. Huge fine from the EPA if they somehow found out yours was removed.

OK THANKS thats all i wanted to know ill just put a high flow cat on it and another question if i have bad backpressure will that make my truck bog out in the high rpms if im coming on to it?
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Old 12-11-2011, 10:24 PM
cdawall cdawall is offline
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Default Re: ???? do i need my cat

Quote:
Originally Posted by ford for lif3 View Post
OK THANKS thats all i wanted to know ill just put a high flow cat on it and another question if i have bad backpressure will that make my truck bog out in the high rpms if im coming on to it?
If you have to much back pressure I'm it can. That being said no normal exhaust will cause that.
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