5 inch DPF back exhaust - Ford Powerstroke Diesel Forum
6.7 Performance Parts Discussion (2011-2016) 6.7 Performance Parts Discussion

 
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post #1 of 4 Old 01-25-2020, 10:25 AM Thread Starter
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5 inch DPF back exhaust

My 2011 has been on a diet for a few thousand miles now and at the time i needed to do the work in a hurry so i put a 4” replacement pipe and stock dpf back. Im looking to put a 5” dpf back and leave the 4” one in place. Will adding the 5” dpf back make say $300 worth of difference?
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post #2 of 4 Old 01-25-2020, 02:39 PM
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I did the piping the same as you at first. For replacing the DPF back section I was able to find a MagnaFlow DPF back used in my area. Any real difference between stock and aftermarket is only in the sound level. I could have saved the cash.....



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post #3 of 4 Old 01-25-2020, 02:48 PM Thread Starter
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Would you say its a noticeably better sound? I found a magnaflow with a 6” tip for $300 on ebay.
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post #4 of 4 Old 01-26-2020, 03:02 AM
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LOL....Better would be subjective of course. I have no problems with mine. Nice little rumble at idle, flows when on the pedal. Not too bad when steady speed on the highway.



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