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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 02-16-2009
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adding exhaust

so, i am thinking of upgrading my exhaust and wanted you guys opinions first. i have did some research on here about different exhaust upgrades and still have some questions. remember, i am a newbie mechanic, so have some patience please. all i have done so far, is cut off my tail pipe down to my stock muffler. made it a little bit louder, but only at low RPM. was this good or bad? yes, i know i should asked on here first, but i figured what's the worst that could happen. anyway, i like how Borla sounds, but not sure if it is the sound i am looking for. i want a really deep sound but also want something that will help with performance and gas mileage. should i run single or duals? should i lose my cat? i am on a budget and would like to buy just the muffler and have a friend weld it in, but not sure if this is the best route. help!
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Old 02-16-2009
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your not going to see much power or gas mileage gains in theses trucks. i am running straight pipes on my truck and it its fine. if you want a really deep sound i would go with a flowmaster super 44. single in dual out then just run it out the side in front of the back tire it will be cheap and sound good.
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Old 02-16-2009
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+1 ......if it is sound you want, invest in a good sound system, and get a VAAAAAAROOOOOOOOOOOOOOOOM CD
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Old 02-16-2009
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Honestly for performance and mileage you won't really notice much but go Magnaflow/Borla. Flowmaster has that deep sound but you won't get any performance gain from it.
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Old 02-16-2009
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Adding a "performance" muffler will not get you any noticable MPG or HP. You will notice some dB though. Do it for sound if you want sound.
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Old 02-16-2009
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i have magnaflow catback duals on mine im pretty happy with it. sounds really good for a v6 it was not worth the amount of money i spent on the system
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Old 02-16-2009
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go magnaflow.
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Old 02-16-2009
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Quote:
Originally Posted by Jp7 View Post
Adding a "performance" muffler will not get you any noticable MPG or HP. You will notice some dB though. Do it for sound if you want sound.
When used in conjunction with an intake..... you're statement is wrong. I know this from experience on my ranger. Just intake and exhaust, i gained 2mpg. AND NO, this isn't just from using a new air filter...as the drop in filter was brand new when i replaced it.






Back to the topic at hand....magnaflows dont sound deep enough for me. Super44 on a SOHC 4.0 is the way to go. OR...Go Delta Flow 40 on an OHV 4.0. Now..dumping exhaust is fine..which is what you did...dumped behind the muffler. BUT.....you lose mpg's doing that. I know from experience. When you go get exhaust hung, go from the cat back using 2.25" tubing into the muffler, then you must decide duals or single tailpipes. IMO...use 2.25" single tailpipe exiting near the stock location.
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Old 02-16-2009
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i did 2.25 all the way back with my borla, ran so quiet you wouldnt even know it was running.

my magnaflow setup is pretty freaking loud, you can hear it from a LONG ways away. again I have JBA headers, 2.25" tube to 2 high flow cats, one per bank, and a dual in 2.5 from each cat into the muffler with a 3" out. not exactly stock.
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Old 02-16-2009
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I have mine straight piped running into duals out the back and its pretty loud. It drones alot at highway speeds.

I am thinking of going flowmaster.
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Old 02-17-2009
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Quote:
Originally Posted by zabeard View Post
i did 2.25 all the way back with my borla, ran so quiet you wouldnt even know it was running.

my magnaflow setup is pretty freaking loud, you can hear it from a LONG ways away. again I have JBA headers, 2.25" tube to 2 high flow cats, one per bank, and a dual in 2.5 from each cat into the muffler with a 3" out. not exactly stock.
Can you post a picture of your exhaust setup? I'm going to be ordering some JBA headers soon and I have to decide what I want to do about the rest of the exhaust
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Old 02-17-2009
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thanks for all the replies guys. so, what exactly is straight piped? i'm guessing just pipes from the exhaust manifold? no muffler or cats? also, should i lose my cat? thats not exactly legal is it? not that i would care. and should i run duals or single? what's the difference in performance/sound?
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Old 02-17-2009
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I would keep cats. Super 44.. FTW
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Old 02-17-2009
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I have the Borla ProXS and couldn't be happier. Not to loud, but has a deep enough sound that it doesn't scream 'I have a 6 cylinder with exhaust', still sounds good and proportionate.
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Old 02-17-2009
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i would def go with 2.25 from the cats to the muffler then use a flowmaster original 40series to duals then do what you want from there either dump it there or run straight out the back or out the back at 45 or b4 the rear tire

i have mine setup with the flowmaster original 40 series muffler and then duals at a 45
imho it is the loudest muffler you can put on a ranger it sounds nice and deep at low rpms but still retains somewhat of a deep sound at the higher rpms
now some people say that the bigger tips you put on the better the sound because it resonates in the tip but i dont think there have been any tests and i dont know if it helps or not
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Old 02-18-2009
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should i get a new high flow cat too? how does this help me?
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Old 02-19-2009
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If your looking for power and gas mileage I would think you would want headers first, to get rid of the most back pressure. Replace the exhaust to give you the sound you want and reduce back pressure further. You need to tune your truck to get full benefits from the exhaust I believe. High flow cats... may as well, if you can afford them.

Im a noob at performance things too. I just happen to read a few articles about headers before finding this post
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Old 02-19-2009
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Quote:
Originally Posted by clintusaf View Post
thanks for all the replies guys. so, what exactly is straight piped? i'm guessing just pipes from the exhaust manifold? no muffler or cats? also, should i lose my cat? thats not exactly legal is it? not that i would care. and should i run duals or single? what's the difference in performance/sound?
you can punch your cats and leave the housings there like i did but no you cant loss them all together but punching them is just as illegal but you will still pass inspection with the housings and then run a muffler. if you want really loud i would punch your cats and buy a cherry bomb extreme muffler.
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Old 02-19-2009
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Headers do virtually nothing to a naturally aspirated(NA) ranger. waste unless you're gonna boost it imo.


There's 4 effin' cats. back pressure is more than taken care of.

straight pipe = no muffler. it's cats then tips...nothing in between...just pipe.

Zabeard has a thread about his setup...you can search his threads he's created.

Some may say rangers sound like garbage with exhaust on them...namely flowmasters get this rep. In all honesty, it's an effin' 6cyl...it's NEVER gonna sound like an 8cyl. YES it'll sound raspy at high RPM's just like a 4banger sounds it, just like a 8cyl sounds awesome at high rpms....but how often are you in high rpms??
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Old 02-19-2009
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Quote:
Originally Posted by Fx4wannabe01 View Post
Headers do virtually nothing to a naturally aspirated(NA) ranger. waste unless you're gonna boost it imo.


There's 4 effin' cats. back pressure is more than taken care of.

straight pipe = no muffler. it's cats then tips...nothing in between...just pipe.

Zabeard has a thread about his setup...you can search his threads he's created.

Some may say rangers sound like garbage with exhaust on them...namely flowmasters get this rep. In all honesty, it's an effin' 6cyl...it's NEVER gonna sound like an 8cyl. YES it'll sound raspy at high RPM's just like a 4banger sounds it, just like a 8cyl sounds awesome at high rpms....but how often are you in high rpms??
the 94 like his only has 2 cats and not straight pipes is just pipe no mufflers or cats or just the cat housings with nothing in them.
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Old 02-19-2009
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If he's wanting to 'keep it legal', straight pipe = no muffler while still retaining cats. It's no muffler period. That's straight piped. Kiddo...I don't need you teaching me anything...you won't.


Punctuation please! I can't ever read what the frick you're saying...it's just one huge run-on/never ending sentence!
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Old 02-19-2009
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I've been saying that for yearssss

Leave the cats, stock is high flow already.
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Old 02-19-2009
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^^Yep. Unless they're clogged up from having 264k ran through 'em.
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Old 02-19-2009
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mine were thats why there gone
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