1st Generation Dodge Cummins 89-93 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with Rotary Injection Pumps

I have some exhaust questions

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  #1  
Old 10-31-2011, 01:44 PM
1993firstgennewbie's Avatar
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Default I have some exhaust questions

Ok I have a few questions I have a hx35 on my 93 and the tail shaft is removed so its is 90 degrees like the hc1 but the hx 35 is a bit longer.So what I'm wondering is should I buy a off the shelf 4INch down pipe or have one made. I'm buying my brothers 4in mbrp exhaust from his 2003 qaud cab for 50 bucks. I love the stack but I've had it on for 2 years and since then every frikin truck I see has the same single stack set up as me I mean there is 2 others in my neighbor hood and when I first put it on there was only dual stacks around here so I'going back to the standard side dump and I'll geta transfer tank
 
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Old 10-31-2011, 06:21 PM
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i think a down pipe for for 94' should work with a little tweak to the body seam.
 
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Old 10-31-2011, 06:42 PM
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Yep, it will fit with some persuasion from a big *** hammer. You will see where to hit when you go to put the pipe in.
 
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Old 10-31-2011, 09:15 PM
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An off-the-shelf first gen downpipe from Diamond Eye fit my truck great. Why would you buy a second gen downpipe and beat on your firewall with a sledge? I don't see why a second-gen downpipe would work if a first gen one wouldn't...

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