High flow Cats... - Ranger-Forums - The Ultimate Ford Ranger Resource


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Old 07-08-2008
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High flow Cats...

Looking to replace my cat sytem up front with new pipe and 2 high flow cats. Anybody know which ones are good/bad? need to rid the crappy napa stock cat kit i have after i get headers, and to match my rear setup.


also i may be going to cats and running sims. anyone have any experience with them?

like these
http://www.rpmoutlet.com/gmo2s.htm

Last edited by INT3RC3PTOR; 07-08-2008 at 10:01 PM.
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Old 07-08-2008
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I would run a set of Magnaflow cats, i have found the lowest prices at

www.planetmagnaflow.com

As long as you have some sort of cats you shouldnt get a CEL, BUT if you are worried about a CEL you should be able to just shut off the rear o2's with your programmer.
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Old 07-09-2008
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I'm with Mark run magnaflow cats.

I am running 2 magnaflow cats on my truck, one for each bank, then they Y together in the dual in single out muffler.

I am getting no codes based on exhaust.
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Old 07-09-2008
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yeah they are fairly small so im sure it shouldnt be bad fitting them in.
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Old 07-10-2008
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I have a tag on question. With magnaflow they don't seem to list there cats as high flow? are all of them?
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Old 07-10-2008
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Quote:
Originally Posted by My91Ranger View Post
I have a tag on question. With magnaflow they don't seem to list there cats as high flow? are all of them?
yah im running two of them right now really open up the exhaust imo.
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Old 07-10-2008
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Quote:
Originally Posted by My91Ranger View Post
I have a tag on question. With magnaflow they don't seem to list there cats as high flow? are all of them?
they are all, its their design philosophy
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Old 07-10-2008
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ok good i figured as much, since they are just round tubes basically, and dont look like the typical ugly stock cat
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Old 07-10-2008
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does getting new cats reallly make a big difference in sound or performance?
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Old 07-10-2008
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hi flow ones yes. and when you have multiple ones like our trucks.. well the 3.0 and 4.0 its makes a diffrence only having 2, and 2 hi-flow at that
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Old 07-11-2008
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I've been looking into the magnaflow cats lately to help quite my truck down. They even have one with a built in resonator for sound dampening.
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Old 07-11-2008
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Rob are you really that loud? i didnt know that. what is yer setup? my 40 series isnt too loud and sounds great. but i could use more. but im hoping headers and new header back exhaust will open it up
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Old 07-12-2008
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I'm running shorty headers, collected into a 3" straight pipe, that runs straight back to just behind the cab into a borla pro XS. There are almost no bends in the exhaust system and its pretty loud behind the truck. I have no complaints about how loud it is in the truck, but my neighbors don't like it at 5:30 am everyday.
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