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6.0L Power Stroke Diesel 2003 - 2007 F250, F350 pickup and F350+ Cab Chassis, 2003 - 2005 Excursion and 2003 - 2009 van

removing exhaust resonator...

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Old Mar 23, 2005 | 06:29 AM
  #1  
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kemerick
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removing exhaust resonator...

Would it be okay for the truck (2004 PSD) to remove the exhaust resonator? I have had the muffler replaced with a straightpipe for about 6 months and it sounds much better but it is too quiet.

Will it be too loud by removing the resonator? Is there any downside to doing it? Is there any HP gained?
 
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Old Mar 23, 2005 | 10:18 AM
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Your question "will it be too loud?" is subjective. It depends on an individual opinion.
In my opinion, "yes", but I like a low "authoritative" rumble similar to stock Mustang exhaust, etc.
 
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Old Mar 23, 2005 | 11:49 AM
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The resonator is supposed to get rid of the annoying whistle. The later models have software changes to the variable vanes in the turbo to minimize this and thus the resonator is not on my 05.
 
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Old Mar 23, 2005 | 05:52 PM
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removing the kitty kat will make it alot louder than just changing the downpipe
 
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Old Mar 25, 2005 | 09:13 AM
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Does the 2004 PSD have a catalitic converter? I have never looked as I assumed it would not being a diesel.

I have read that it is "okay" to remove the cat... but is there any downside to removing the cat... any at all?

I want to make the truck louder and have contemplated removeing the resonator, at least thats what I think it is. Then again I have read here that removeing the cat may do the trick for me.
 
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Old Mar 25, 2005 | 10:19 AM
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I gutted my cat and put on MBRP exh, sounds awsome!!
 
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Old Mar 25, 2005 | 06:02 PM
  #7  
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What do you mean by you gutted your cat? Did you remove the contents and replace with a straight pipe?
 
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Old Mar 26, 2005 | 01:22 AM
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i removed the stock exhaust on my 04' and went w/ a 4" stainless kit from magnaflow. exhaust noise is noticable @ 75mph and above. you get use to it.
 
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Old Mar 26, 2005 | 07:49 AM
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Gutting cat- take air chisel or other weapon and remove contents then bolt back on.
 
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Old Mar 27, 2005 | 10:55 AM
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If it were me I would un-bolt all your factory exhaust and replace it with a system. That way if you ever majorly tear your truck up, you can put the stock converter and downpipe back on and there won't be any warranty issues when you take it in.
 
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