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4.0L OHV & SOHC V6 Tech General discussion of 4.0L OHV and SOHC V6 Ford Ranger engines.

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Old 09-12-2009
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cat ?

anybody from my home state of connecticut and running a 4.0 ranger with a cat removed or running some high flow cat? thinking of removing my last cat and just wanna know if i do this i wont get into trouble because i know our emissions are tighter then a nun's ***
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Old 09-12-2009
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Rangers come from the factory with high flow cats. You won't gain anything by removing it.
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Old 09-12-2009
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Yeah you won't really gain any power.
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Old 09-13-2009
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yea not really trying to gain hp, just maybe a little more deeper throatyer sound
, im gonna be underneath my truck anyways to install my edelbrock sdt, figure i try something with the cats
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Old 09-14-2009
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could i get by with ditching the last cat? no cels and such?
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Old 09-14-2009
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did someone say cat?

meow
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Old 09-14-2009
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could i get by with ditching the last cat? no cels and such?
yes.
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Old 09-14-2009
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sweet! dam dude u should enter that thing in top truck
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Old 09-14-2009
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how many cats do you have right now anyway? 3 or 4
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Old 09-14-2009
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Only if you want to fail emissions. They do use the **** probe system on the truck in addition to reading the computer.
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Old 09-14-2009
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4
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Old 09-14-2009
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i really doubt it will change the reading on the system by removing the last one, but i have no proof. im running 2 aftermarket cats with no CEL, but indiana could care less.
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Old 09-15-2009
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Quote:
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i really doubt it will change the reading on the system by removing the last one, but i have no proof. im running 2 aftermarket cats with no CEL, but indiana could care less.
It's against Federal law to remove the cat converters from any vehicle equipped with them. I believe it's a $2,500 fine.

High-flow cats are ok, just aslong as you have something...
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Old 09-15-2009
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It's against Federal law to remove the cat converters from any vehicle equipped with them. I believe it's a $2,500 fine.

High-flow cats are ok, just aslong as you have something...
which he will still have 3, the 3 alone will probably let him pass emissions.
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Old 09-15-2009
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sweet, well the last ones coming off and if the cel comes on then so does the cat
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Old 09-15-2009
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I honestly wouldn't screw with the cats. Just get a better muffler and tips.
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  #17  
Old 09-22-2009
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i decided not to cut out the last cat, but instead i want to install 2 magnaflow cats.planet magnaflow had 4 cats listed, not really sure which ones to get,, anybody know which part number i should look for?
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Old 09-22-2009
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Do you need new cats? Yes? No? If not then you wont gain any power or much if any sound with the Magnaflow cat.
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  #19  
Old 09-27-2009
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would i gain much with headers and the high flow cats?
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Old 09-28-2009
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Passing emissions in california is like trying to get a nun to have sex.
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