straight pipe or not? personal experience and problems? - Ford Powerstroke Diesel Forum

6.0L Performance Parts Discussion What has or has not worked for you?

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post #1 of 21 Old 08-10-2011, 01:04 PM Thread Starter
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straight pipe or not? personal experience and problems?

I have a 4 inch turboback right now but its got a muffler still. Should I be worried about goin to a full straight pipe? What differences should I expect in power and mpg if any?

2006 Ford F350 Lariat- "4" turboback, 6 Lift and 37's, EGR Delete and SCT custom tune soon
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post #2 of 21 Old 08-10-2011, 01:39 PM
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it will sound better and louder. Your mpg will only change for the worse because you wont be able to keep your right foot out of it



2013 6.7 with stuff
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post #3 of 21 Old 08-10-2011, 01:44 PM Thread Starter
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Ha ha what about backpressure? Some say you can create enough backpressure in the turbo itself. This true?

2006 Ford F350 Lariat- "4" turboback, 6 Lift and 37's, EGR Delete and SCT custom tune soon
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post #4 of 21 Old 08-10-2011, 01:54 PM
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only difference will be the sound when you get on it.

2006 F-250 PS CCSB King Ranch
6" Fabtech Lift
Bilstein 5100's
35" Falken Rocky Mountain AT/S on 20" Pro Comps
EGR Delete - Performance Machine mfg.
Updated Oil Cooler
6.4 Banjo's
Updated Larger Turbo Oil Drain Tube and Feed line
"Blue Spring"
AFE Stage 2
SCT Livewire - "Looney Tune"
4" Turbo Back Straight Pipe
Updated Dummy Plugs & Stand Pipes
Roll-N-Lock Bed Cover
Train Horn (get off your cell phone horn)
Zoodad
more to come as the hours go by...
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post #5 of 21 Old 08-10-2011, 02:01 PM
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what he said. You will not see a mpg increase only a slight increase in sound. The reason for that is because the turbo does most of the muffling unlike a normal aspirated engine say a gas V8.

Nate
2006 F350 (BACKYARDIGAN) - 67mm Turbo, 215/85 injectors, WPE intake manifold, NB/Warren Trans, and more stuff that I don't care to mention....
2006 F250 (LITTLE DURTY) - WPE Manifold, Up-pipes, EGR delete kit, and Tuned By ME
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post #6 of 21 Old 08-10-2011, 05:15 PM
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More turbo at lower RPMs. Once it gets to 2200 RPMs it's all V8 diesel engine. Sounds amazing compared to with the muffler

I didn't like it at first but it's seriously grown on me.

-Matt

Ford Senior Master Tech

2015 F-250 XLT 6.7L

2006 F-250 6.0L SOLD
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post #7 of 21 Old 08-10-2011, 07:54 PM
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I have a 4" turbo back straight pipe no kitty and I would not trade it for the world sounds Awsome no loss in power or anything I would do it for sure


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2007 F-250 Fx4 king ranch cc sb 6.0 psd mbrp 4" turbo back straight pipe exhaust,zoodad mod,fog light mod,edge cts w/egt, 2in level kit f350 blocks in the rear 35/12.50/20 nitto trail grapplers and a sct x3 with matts custom tunes and more on the way
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post #8 of 21 Old 08-10-2011, 07:58 PM Thread Starter
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Sweet I think i'm going to, I want to so bad. Only problem is I got 100,000 km still on warranty. I'm just hoping that the guys at Ford don't try to **** me warranty wise if any turbo problems come up in the future. Right now all I have is a mufler and 6 lift and 37s and they havent complained so I think i'm good. ps, I know this thread isn't for this, but have you noticed any positive things come from the zoodad mod? I live in Alberta with 7 months of snow almost so i'm hesitant

2006 Ford F350 Lariat- "4" turboback, 6 Lift and 37's, EGR Delete and SCT custom tune soon
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post #9 of 21 Old 08-10-2011, 08:10 PM
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id really like to get rid of my muffler, but just not sure if its worth it.....I like how my truck sounds right now, but wouldnt mind trying a straight pipe...
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post #10 of 21 Old 08-11-2011, 06:41 AM
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id cut it out if you dont like it weld it back on my boys like it especially when i mat the peddle and you get that crackling roar @ 3000+rpm and you pin them in the seats another thing i picked mine up for $276 on ebay its a mbrp free shipping but i just looked and there on there cheaper now if your wanting a new 4"

arp studs and all new gasgets
blue spring.... its really blue
full egr delete
Bts tranny
coolant bypass and fillters
rotella red elc
cummings 5.9l banjo bolts
4 inch turbo back
Custom tunes by spe
2.7 leveling kit



next on the list
new injector$ $$$$$
regulated fuel return
ficm & ecm to php along with my evo to be flashed
and half in my 401k lol
still have my 401k all of it
SYLSOS


Last edited by still runs; 08-11-2011 at 06:56 AM.
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