Muff Delete 2003 6.0 F450 - Ford Powerstroke Diesel Forum
6.0L Performance Parts Discussion What has or has not worked for you?

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Old 06-10-2008, 07:43 PM
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Muff Delete 2003 6.0 F450

I have a 2003 6.0 F450. I spent $50 to MUFF Delete. Very Very Raspy around 2700 rpm and you can't even hear the turbo spool. Anyone else had the same issue?

Last edited by CATERPILLAR DEREK; 06-11-2008 at 04:58 AM.
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Old 06-13-2008, 05:53 AM
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I had my muffler removed and hated the sound! Do you have your Cat in place?
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Old 06-13-2008, 06:13 AM
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I have taken the Muffler off of my 03 F550 I can really hear the turbo and around 2600+ rpms she starts to growl at you. I still have the CAT in place for now. I don't know if I want any more sound out of the truck or not. I had a few fellas tell me yo uare better off without the muffler than without the CAT. said the CAT in the 03-07 6.0L were not all that bad.
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Old 06-13-2008, 06:43 AM
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I have removed both on mine and love the sound, that's just me. Although when hauling a heavy load it can get annoying. The Cat restricts more sound, but that's just my opinion.
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Old 06-13-2008, 06:45 AM
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Quote:
Originally Posted by ndennis93 View Post
I have removed both on mine and love the sound, that's just me. Although when hauling a heavy load it can get annoying. The Cat restricts more sound, but that's just my opinion.
that is what I was told. the CAT helps cut down on the sound and doesn't restrict that much flow. Now the muffler on the other hand cuts down on the flow.
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