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6.4L Power Stroke Diesel Engine fitted to 2008 - 2010 F250, F350 and F450 pickup trucks and F350 + Cab Chassis

09 6.4L straight pipe

 
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Old 11-30-2017, 07:36 PM
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09 6.4L straight pipe

did the DPF,EGR delete straight pipe no cat. it sounds like a big hair dryer as you give it foot feed. and Rick Flare ( WOOO ) as you let off. is this normal for that motor?
 
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Old 11-30-2017, 10:07 PM
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Sounds similar to what my truck sounds like. The hair dryer part at least.
 
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Old 12-01-2017, 01:21 PM
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Agreed. If you delete those exhaust/emissions components...that is exactly how it will sound. Like a hair dryer from hell/jet engine (turbo whistle). I've gotten used to it personally. But if you wanted a more deep tone...5" exhaust from the turbo back would give you that. There are some good examples on Youtube of 6.4 exhaust notes with differing pipe sizes. I just put in 4" delete pipes and left the rest stock (3.5") so I get the higher pitched angry scream/whistle if you get on it a little. Doesn't take much.
 
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Old 12-02-2017, 06:26 PM
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Did you use a waste gate? I'm still on the fence if I need one or not.
 
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Old 12-02-2017, 08:45 PM
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From everything I have read you don't need to worry about a wastewater unless you are running a hot tune = over 40 psi boost. That's at least the info I have seen. I have look into them but haven't seen anything that would point to the fact that I need one yet with the current mods on the truck.
 
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Old 12-02-2017, 10:16 PM
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^^^What Seth said. "Wastewater" though...Lol. I've read the same. For those of us that can keep our foot out of it 99% of the time...we should be okay without one.
 
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Old 12-03-2017, 08:54 AM
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Originally Posted by Picton View Post
^^^What Seth said. "Wastewater" though...Lol. I've read the same. For those of us that can keep our foot out of it 99% of the time...we should be okay without one.
Auto correct has been kicking by butt lately!!!
 
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Old 12-03-2017, 10:06 AM
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Hair drier or vacuum cleaner sound is normal as the exhaust goes through the turbos.
 
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Old 12-08-2017, 07:38 AM
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interesting...
 
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Old 12-20-2017, 11:12 AM
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Why would you need a waste gate running a hot tune? It will not damage your diesel like it would a turbo charged car engine. I am running a 4" downpipe to 5" straights that Y in the back to 6" tips. It doesn't sound like a hair dryer more like a jet engine. Just a little quieter than the guys running the single pipe.
 
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Old 12-20-2017, 01:32 PM
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people who delete the EGR are the ones who are supposed to need the wastegate


I have run HD300 tunes with the EGR disabled, but still haven't left the 20psi range, even when passing people on the highway


I would get into the 30's when I was running my DPFR
 
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Old 12-20-2017, 02:00 PM
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i have my egr deleted. i hit 40 psi of boost on a 250 hot tune and i dont use a wastegate. just have turbo farts. which will not hurt it any. also good to clean the turbo more often when your running hot tunes. some good cleaning videos on youtube.
 
 
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