MBRP exhaust pipe hitting frame??? Ideas how to fix? - Ford Powerstroke Diesel Forum
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post #1 of 13 Old 05-24-2013, 07:26 AM Thread Starter
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MBRP exhaust pipe hitting frame??? Ideas how to fix?

Like title states, I have 4" MBRP straight piped and pipe is touching frame right in the first straight section after down pipe.heading back. Makes a loud clang when I hit a bump and I think I'm getting some vibration when I hit accelerator hard as well. Anyone had this happen and have an idea how to fix the problem? Thanks for the help


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post #2 of 13 Old 05-24-2013, 07:30 AM
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Cant you take an exhaust strap and bolt it to the frame, then it wont move around? Post a pic of where it is hitting!
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post #3 of 13 Old 05-24-2013, 07:36 AM
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Installed a few with never a problem. Try repositioning the pipe.

2004 F-350 SC 4x4, XLT, 4" dual Magnaflow, AFE intake, No Limit piping, spearco intercooler, water injection, ARP studs, hypemax o-ringed heads, SCT tuned by Innovative Diesel, tuned FICM, Hellman's sump, FASS, Fuelab, regulated return, 190/75 injectors, KC/MTW 68 w/.72ar, suncoast trans w/billet input, edge insight CS with dakota digital gauges, amsoil by-pass, BD exhaust manifolds
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post #4 of 13 Old 05-24-2013, 07:40 AM
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Loosen the clamps. Place a piece of wood between the pipe and the frame where it's making contact. Tighten clamps. Remove wood.

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post #5 of 13 Old 05-24-2013, 07:56 AM
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Or try loosening the clamp for the downpipe and roll/twist the downpipe. This way the other end of the downpipe will be at a different angle. Hopefully not angling towards the frame where its hitting.

2004 F-350 SC 4x4, XLT, 4" dual Magnaflow, AFE intake, No Limit piping, spearco intercooler, water injection, ARP studs, hypemax o-ringed heads, SCT tuned by Innovative Diesel, tuned FICM, Hellman's sump, FASS, Fuelab, regulated return, 190/75 injectors, KC/MTW 68 w/.72ar, suncoast trans w/billet input, edge insight CS with dakota digital gauges, amsoil by-pass, BD exhaust manifolds
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post #6 of 13 Old 05-24-2013, 08:06 AM
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Quote:
Originally Posted by strokin6L View Post
Or try loosening the clamp for the downpipe and roll/twist the downpipe. This way the other end of the downpipe will be at a different angle. Hopefully not angling towards the frame where its hitting.
This........
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post #7 of 13 Old 05-24-2013, 08:30 AM
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You are probably not fully up on the down-pipe or it is slipping down. It is a common problem. Loosen and hit with a soft hammer and reclamp, very tight. If you break the clamp (not likely) or it still slides, mark it and pull them both off, then drill a hole and after it is back on the truck, install the SS screw and reclamp. Another hanger may help.

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post #8 of 13 Old 05-24-2013, 12:00 PM
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Quote:
Originally Posted by Snake View Post
Loosen the clamps. Place a piece of wood between the pipe and the frame where it's making contact. Tighten clamps. Remove wood.
This is what I did and work awesome, my new exhaust does not hit at all

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post #9 of 13 Old 05-24-2013, 12:29 PM
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I never had a problem with exhaust hitting frame but my downpipe would move while offroading and hit pinch weld. I removed exhaust hanger along frame and added a couple washers in there to move hanger off frame a little and bolted hanger back up. No more problems.
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post #10 of 13 Old 05-24-2013, 01:03 PM
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