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post #1 of 6 Old 07-29-2011, 11:13 AM Thread Starter
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dpf delete question

Ive looked under my truck at the downpipe where it connects to the dpf and the nuts are welded on the bolt is this how you guys trucks were before you straight piped them? If so did you just cut them or what?
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post #2 of 6 Old 07-29-2011, 07:06 PM
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Yes, the nuts are welded to the flange that is on the DOC/SCR/DPF side of the exhaust, however, the bolts are not welded to the flange that is on the down pipe.. You shouldnt have to cut, but it can be a ***** getting a wrench or ratchet up in there to get to them. Make sure you have an extension and a swivel joint.
Mine came off in my garage in about 2 hours.. The hardest part was the hangers, a large pair of channel locks helps with getting them taken care of and leaving the rubber in-tact.

[/SIGPIC]2008 F250 Lariat, 8" lift 37x12.5 20 Nittos, Spartan tuned running 275 with an AFE stage 2 and 4" straight pipe. Next up, full EGR and Cooler delete

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post #3 of 6 Old 07-29-2011, 07:21 PM
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Ya same here, just over 2 hours as well, hardest for me was finding all the damn sensors to unplug. Every time I thought I had them all I was wrong. I dropped all the hangers and took them off after the DPF was dropped, the spares are still attatched to the DPF sitting outside my house.

2011 F350,CC,LB,Lariat,4x4,FX4,6.7L
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post #4 of 6 Old 07-29-2011, 08:43 PM
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That's exactly how I do them. Unbolt the 13mm nuts that hold the hangers to the frame and let them fall with the DPF/DOC. Then just snag the front one (used for our kits) to put it back on. I was able to do mine in a the driveway by myself. It wasn't bad.

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post #5 of 6 Old 07-30-2011, 05:37 AM
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Ha, I wish I would have noticed that. That could've made taking the hangers off a lot easier. My truck was undercoated, so taking the plugs apart for all my sensors, was a treat to say the least.

[/SIGPIC]2008 F250 Lariat, 8" lift 37x12.5 20 Nittos, Spartan tuned running 275 with an AFE stage 2 and 4" straight pipe. Next up, full EGR and Cooler delete

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post #6 of 6 Old 07-30-2011, 06:55 PM Thread Starter
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Thanks for the feedback
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