sound after tuning - Ford Powerstroke Diesel Forum
6.4L Performance Parts Discussion What has or has not worked for you?

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post #1 of 10 Old 10-26-2010, 11:03 AM Thread Starter
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sound after tuning

Ive searched but I cant find exactly what Im looking for. Im finally thinking about ditching the DPF but one of the concerns I have is the sound. I like that my truck is relatively quiet for a diesel. Especially in the campgrounds, and when cruising with my camper in tow. What makes a difference in sound? The exhaust Im sure has something to do with it. What should I do if I want to remain as quiet as possible? How quiet is that? Will it be louder than stock? All the videos I see they are pretty loud. Any help would be appreciated.
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post #2 of 10 Old 10-26-2010, 11:10 AM
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There will be more of a hairdryer sound at idle, but not much louder at all. The twin turbos help keep the sound down.

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Rudy's Diesel Performance - 919-383-9300 - Diesel Tech

WWW.DPFDELETEKITS.COM
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post #3 of 10 Old 10-26-2010, 11:11 AM
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Deleting the dpf will increase the noise but I'd think using just a dpf/doc delete pipe and keeping the muffler in the stock exhaust over as full delete exhaust would be better. hopefully more will chime in with other opinions.

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post #4 of 10 Old 10-26-2010, 01:09 PM
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I added a full DP back Flo-pro 4" with muffler. It is a small muffler but it does a good job of keeping it quiet. A little more whistle but but no issues for a campground or quiet neighborhood.
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post #5 of 10 Old 10-26-2010, 04:27 PM Thread Starter
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I dont mind the whistle, just dont want the real loud exhaust note
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post #6 of 10 Old 10-27-2010, 05:12 AM
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Mine was 5" straight piped for a while it was really loud towing couldn't keep the window rolled down. I installed a muffler and love it now.

08 F250 CC, 4x4, Blue/Pueblo Gold, 3.73, S & B CAI, 5" Magnaflo downpipe back, Spartan TCM 275 & 310 KEM 345 (SCT - Sold) Mickey Thompson 35 12.5 20's

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post #7 of 10 Old 10-27-2010, 08:54 PM
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i have the delete pipe and its not much louder than stock, you just hear the turbo more
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post #8 of 10 Old 10-28-2010, 05:35 AM
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The only time your truck will be loud (and by loud I mean loud as hell) is at WOT.

Driving around town and such it's noticibly quieter than most diesels

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post #9 of 10 Old 10-28-2010, 08:25 AM
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DPF/DOC delete on mine with stock muffler. Had the idle raised last night jumping a car at my house and when I went inside I thought my wifes hairdryer was on, literally.

2011 F350 Lariat SRW Crew Cab Long Bed 4x4 6.7 H&S Mini Maxx DPF Delete EGR Delete running 265/70/19.5's

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post #10 of 10 Old 10-29-2010, 02:11 PM
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I had the same concern , I went with dpf/doc delete & S&B cia! I was very impressed with how quiet my truck stayed! As stated the only time it's louder is when you're wfo & then who cares!
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