Would this work? (exhaust)
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From: Clarksburg WV
Would this work? (exhaust)
Been running some nutty exhaust ideas through my head lately since I'm trying to pick up that '94 IDI turbo F250.
I looked around at a lot of the '94-98 powerstroke exhaust systems for sale and noticed that most of them are completely straight from the downpipe to the axle.
So I came up with this idea for something a little more unique (of course this would be using an ATS 3" downpipe). It would use the following:
Several feet of straight 3" or 4" pipe
Magnaflow universal Y-pipe
3" tailpipes from Summit's '87-96 F-series cat-back dual kit
Two 45 degree mandrel bends and tips.
This would be the plan:
After downpipe, step up to 4" pipe (if even necessary? 3" if not)
Run straight back to magnaglow Y-pipe.
Tailpipes from summit kit would connect to the Y-pipe shortly before the axle.
45 degree mandrel bends would go onto end of tailpipes somewhere so that the pipes exited at a 45 degree angle behind the rear wheels.
I figured it all up and you'd have about the same amount in such a setup as you would in the cheaper Powerstroke exhaust systems I've seen, but you'd have duals and it'd be a bit more unique.
This would be doable, right?
I looked around at a lot of the '94-98 powerstroke exhaust systems for sale and noticed that most of them are completely straight from the downpipe to the axle.
So I came up with this idea for something a little more unique (of course this would be using an ATS 3" downpipe). It would use the following:
Several feet of straight 3" or 4" pipe
Magnaflow universal Y-pipe
3" tailpipes from Summit's '87-96 F-series cat-back dual kit
Two 45 degree mandrel bends and tips.
This would be the plan:
After downpipe, step up to 4" pipe (if even necessary? 3" if not)
Run straight back to magnaglow Y-pipe.
Tailpipes from summit kit would connect to the Y-pipe shortly before the axle.
45 degree mandrel bends would go onto end of tailpipes somewhere so that the pipes exited at a 45 degree angle behind the rear wheels.
I figured it all up and you'd have about the same amount in such a setup as you would in the cheaper Powerstroke exhaust systems I've seen, but you'd have duals and it'd be a bit more unique.
This would be doable, right?
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Postmaster
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From: Clarksburg WV
Make what myself?
I can certainly weld, I have a small mig welder which has been indispensable.
Like I said, I'm almost positive I can throw together the exhaust from the downpipe to the back, like I posted, for $300-350.
So what's the concensus to stepping it up to 4" after the downpipe if I split it back to 3" duals before the axle?
I can certainly weld, I have a small mig welder which has been indispensable.
Like I said, I'm almost positive I can throw together the exhaust from the downpipe to the back, like I posted, for $300-350.
So what's the concensus to stepping it up to 4" after the downpipe if I split it back to 3" duals before the axle?
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Postmaster
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From: Clarksburg WV
That's kinda what I was figuring...but, I've heard from a few people that it helps (and sounds better) if you open it up to 4" after the downpipe. *shrug*
It wouldn't cost much more to go to 4"...
It wouldn't cost much more to go to 4"...
Last edited by ghunt; Oct 16, 2007 at 10:07 PM.
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i dunno its your truck you can do whatever you like, i want to run 3.5 inch inlet muffer with dual outlets i think that would be sweet. cost alittle more than a single exhaust, but looks better imo
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Joined: Apr 2004
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From: California
i made a "y" pipe with stock flanges, a couple of pre-bent mandrel bends, a flex section inbetween pipes before the merge, then they both go into an ovalized and flared four inch pipe at the same time then into a four inch diesel muffler then out right before the rear tire and it sounds crazy. it also revs significantly faster too.
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i ain't rite
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From: Marlboro Mental Hospital.
the reason for not going to 4 inch after the downpipe is that it will be alot harder to make a y pipe to go from single 4 to dual 3 than it will be to go from single 3 to dual 3.
and you will not gain anything from the short span of 4 inch pipe.
now if you went 4 inch all the way out, then yea, i would go to the 4 inch pipe. but not for the short span from the downpipe to the splitter pipe.
and you will not gain anything from the short span of 4 inch pipe.
now if you went 4 inch all the way out, then yea, i would go to the 4 inch pipe. but not for the short span from the downpipe to the splitter pipe.
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From: Clarksburg WV
If I'm going 4" to dual 3" would that not be essentially the same as running a single 4" out the back? If it's worth it to go with the bigger pipe, then I'll do it.
Also, it's not that much harder to Y out, Magnaflow makes a single 4 to dual 4 Y-pipe (found a couple on ebay, they're a little more expensive than the single 3-dual 3), I'd just have to get a couple 4-3" adapters.
Also, it's not that much harder to Y out, Magnaflow makes a single 4 to dual 4 Y-pipe (found a couple on ebay, they're a little more expensive than the single 3-dual 3), I'd just have to get a couple 4-3" adapters.
