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Pre-Stroke, 1994 IDIT downpipe installation completed!

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Old May 27, 2012 | 08:32 PM
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From: Rocky Mountians
Pre-Stroke, 1994 IDIT downpipe installation completed!

Well after doing some other mods to my truck:

Big "honkin" air filter, and custom intake
IP pump bottomed out, torque screw adjusted
IP advanced to 9 degrees @2000rpm
Sunpro boost/ Pyro

It was time to tackle the worst of it, the down-pipe. Now ATS no longer stocks the DP so I had to make my own. Luckily I had a 3" PSD DP laying around and I knew I could make it work.

After cutting several slits in the firewall and violently attacking them with a steel pipe I got the factory dp out and look at this joke...they really expected a 7.3L feeding hot exhaust gas through this flat *&^ dp?





So at this point I layed the dp together, marked out the best angle and cut away. The PSD dp was quite a bit larger so I cut relief cuts in it before pounding it around the stock turbo flange.




After some welding, grinding, and paint it came out like this:





I will let you know after installing this (which is super easy, it can be in and out in 5mins tops) the sound so unbelievable. A massive improvement over stock. And the power is NOTICEABLY different. Turbo spools faster, holds boost longer, dosent rattle or sound like a gasser anymore, and EGTS are 50-100 degrees lower. I will post a video soon of how the dp looks installed and the sound. This week I will finish my exhaust but the dp will work for now
 

Last edited by FordManMT; May 27, 2012 at 08:33 PM. Reason: meow mix
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Old May 27, 2012 | 08:40 PM
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'94IDITurbo7.3's Avatar
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nice!!!
 
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Old May 27, 2012 | 09:25 PM
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Sounds like it would have been a good time to upgrade to a 3" V-style outlet on the turbo. Lookin good.
 
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Old May 28, 2012 | 03:17 AM
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Looks great!! I like seeing these turbo mods and differences in how people eliminate the grossly constrictive downpipe. I know of a guy who makes them still here in missoula, he has an old one from a 1994, anytime anyone asks about it, he bends a new 3" and custom fits it to every IDI.
 
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Old May 28, 2012 | 09:59 AM
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Originally Posted by hairyboxnoogle
Sounds like it would have been a good time to upgrade to a 3" V-style outlet on the turbo. Lookin good.
I conquer! that is what i did.
 
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Old May 28, 2012 | 11:59 AM
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Where in MT are you located Fordman?
 
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Old May 28, 2012 | 04:35 PM
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From: Rocky Mountians
Originally Posted by hairyboxnoogle
Sounds like it would have been a good time to upgrade to a 3" V-style outlet on the turbo. Lookin good.
explain???

Originally Posted by Aune163rd
Where in MT are you located Fordman?
about 2 hours away from you. in Kalispell.


Im working on the next section of exhaust today...but i dont have a bender. could get interesting :P
 
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Old May 28, 2012 | 05:55 PM
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Originally Posted by FordManMT
explain???
here ya go!

Factory Turbo Exhaust Outlet Mod
 
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Old May 28, 2012 | 10:23 PM
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Well...if you want me 1990 XD! I give you first option over anyone cause you know how to care for them.
 
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Old May 28, 2012 | 10:57 PM
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From: Rocky Mountians
lol shoot me a PM
 
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Old May 28, 2012 | 11:05 PM
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Im probably going to do a single passenger side stack. 6 or 8 in and paint it black. I dont want it to come up to far over the cab and it will be mider cut. I think my truck will look pretty good with it. I dont do overkill. Anyways I picked up a Warn 9000lb winch for $300...pretty stoked about that
 
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Old May 29, 2012 | 12:05 AM
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I would be too, thatsa fine deal for a 9k warn winch lol.
 
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