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Removing the stock downpipe

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Old Sep 13, 2012 | 07:27 AM
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Removing the stock downpipe

I need some advice on how to remove the factory downpipe on my 94 idit. Cab mount bolts will not budge with a half inch impact. So do I have to cut it and where? Any help appreciated.
 
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Old Sep 13, 2012 | 07:37 AM
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What cab mount bolts ate you referring to? if you have it free at the bottom, there should be just a v-band clamp at the top to remove it from the turbo outlet if your just trying to get the downpipe off. It looks kind of like a hose clamp with I believe a 7/16 nut on it.
 
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Old Sep 13, 2012 | 07:42 AM
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Yeah but it won't fit between firewall and tranny. The flange where it connects to the turbo is too wide.
 
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Old Sep 13, 2012 | 08:07 AM
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Mine did, I just put it back in last week. I'm not sure why yours won't. I've never heard of that problem.
 
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Old Sep 13, 2012 | 08:20 AM
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This is on a 1994 f350. Theres maybe 2 1/2 inches clearance.
 
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Old Sep 13, 2012 | 08:28 AM
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it's a TIGHT fit, just keeps wiggling it and turning it. it should get to a point and just fall out. it will be the same thing for install.
 
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Old Sep 13, 2012 | 08:29 AM
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I'm installing the Banks 3" and will need alittle firewall mod so maybe beat it in first to get the old one out?
 
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Old Sep 13, 2012 | 11:22 AM
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Just undo Ur cross member on the transmission and lower the motor and trans a Lil..... I found that was the easiest way to get it out when I did my clutch job
 
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Old Sep 13, 2012 | 11:24 AM
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I have a 3in dp and 4in exhaust wait to go in . I'm just waiting to put it in until I get ready to swap out transmissions
 
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Old Sep 13, 2012 | 01:04 PM
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I just pulled one in a junkyard and the down pipe came out the bottom and I got the up pipe out through the top
 
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Old Sep 13, 2012 | 02:41 PM
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Originally Posted by brads93 idi
Just undo Ur cross member on the transmission and lower the motor and trans a Lil..... I found that was the easiest way to get it out when I did my clutch job
Good idea I'll try that tonight. Thanks!
 
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Old Sep 13, 2012 | 06:30 PM
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I just did a 3" down pipe on mine. It's a 94 F-350. Once loose at the bottom, I had to wiggle and turn it and it finally came out. Much easier to do the firewall when it's out of the way.
 
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Old Sep 13, 2012 | 06:46 PM
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if your body mounts are sagging to much then that will give you less room to work with as well.
 
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Old Sep 13, 2012 | 08:20 PM
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The cab mounts are good but maybe the rubber compresses more on some trucks than others?
Kla how much did you dent your firewall to clear it? I have a Porto power so it should work good for that.
 
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Old Sep 13, 2012 | 08:26 PM
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