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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 09-01-2009
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Exhuast idea

Well IF my cats are bad, this is what i am thinking about doing, need ya'lls thoughts..

Magnaflow performance Cats
Straight pipe to gibson muffler
straight pipes to gibson tips straight out the back.

Basically get rid of all the bends/curves of the original gibson pipes, and go with pipes straight out the back..

What do you think?

My goal is to get a little louder and maybe a little deeper..
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Old 09-01-2009
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what size pipe is key?

also go with all magnaflow mufflers/cats :)
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Old 09-01-2009
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What size pipe are you gonna run?
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Old 09-01-2009
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Quote:
Originally Posted by zabeard View Post
what size pipe is key?

also go with all magnaflow mufflers/cats :)
I have NOOO idea... And i already have this Gibson Muffler lol.. Its got like maybe 1K miles on it.. Whats the difference in sound with the Magnaflow? which one is best?

And what do you suggest for pipe size?
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Old 09-01-2009
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2" off the headers or exhaust manifolds to some cats. one per bank, then take it to the muffler in 2.25 or 2.5 then come out of the muffler in 2.25 or 2.5
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Old 09-01-2009
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Quote:
Originally Posted by God,Country,FORD View Post
I have NOOO idea... And i already have this Gibson Muffler lol.. Its got like maybe 1K miles on it.. Whats the difference in sound with the Magnaflow? which one is best?

And what do you suggest for pipe size?
3". If the diesel guys run it, gotta sound good on a 4.0 right?
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Old 09-01-2009
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I agree with Mr Beard. I'd probably go with 2.5" from the cats back
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Old 09-01-2009
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would it be a good idea to run 3 inch pipe?
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Old 09-01-2009
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would it be a good idea to run 3 inch pipe?
Not to my knowledge. It's just too big for the 4.0. I think some high buck exhaust for V8's run 3" and I know Diesels run even bigger (if I'm not having a total brain fart).
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Old 09-01-2009
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hmm. didnt think about replacing the pipes BEFORE the cats lol.. We will see what the shop says about my cats.. Im kinda hoping that they are bad, and they are whats causing my truck to run so bad..
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Old 09-01-2009
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At least you aren't going to go straight pipe. That would sound horrible.
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Old 09-01-2009
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yeah, not going straight pipe.. Want to keep the cats and muffler, there is a ranger around here with straight pipes, sounds like its got a dam honda fart can..
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Old 09-01-2009
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I like my truck straight piped
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Old 09-01-2009
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maybe yours sounds good lol.. this one sounds like straight up a$$..
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Old 09-01-2009
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hey zach, how much do you think is a fair price for getting this done, if the cats are bad?
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Old 09-01-2009
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Quote:
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I like my truck straight piped
Yeah but your truck sounds like crap. Only a V8 or a diesel should be straight piped.
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Old 09-01-2009
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Yeah but your truck sound like crap.
haha burn.
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Old 09-01-2009
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Does Magnaflow make direct replacement cats with pipes for your truck? I know they make a new Y pipe with cat for my year.
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Old 09-01-2009
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Old 09-01-2009
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That is what it looks like. Bolt in and go. Just make sure they are legal in your state.
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Old 09-01-2009
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yeah, except i could have sworn it said it was a performance cat lol.. guess its just a OE replacement.. Think it would still add anything power/sound wise?
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Old 09-01-2009
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Quote:
Originally Posted by SniperX103 View Post
Not to my knowledge. It's just too big for the 4.0. I think some high buck exhaust for V8's run 3" and I know Diesels run even bigger (if I'm not having a total brain fart).
Yeah your right. MBRP makes a 3" kit for the 5.4 V8. Normally the diesel is 4" or 5"
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Old 09-01-2009
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I'm sure its their high flow cats. Email them to be sure. If they are then the sound may be louder but I don't think you will gain any power.
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Old 09-01-2009
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If your stockers are clogged up you'll gain some power back but I wouldn't keep my hopes up for a lot of extra power. If clogged cats are your problem though you'll notice a difference with them. But Magnaflow or OEM would be about the same
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Old 09-01-2009
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yeah.. I wish there was a sure fire way to check my cats myself.. Without having to take it to the shop lol.. Im mainly looking to gain back all the power/sound i have lost since my truck started running like poo.

could clogged cats cause my symptoms?

Makes sense, Runs Ritch as hell( computer would be trying to compinsate maybe?), and its quiter than it used to be. and there is like NO power
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