Muffler or Cat delete - Ford Powerstroke Diesel Forum
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post #1 of 13 Old 02-09-2010, 09:14 PM Thread Starter
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Muffler or Cat delete

I have a 2007 6.0 and I don't have the money for big upgrades, but these new diesels are too quiet! I want to make her louder but I hate the turbine whistle. If I just cut the cat or just the muffler can I get the chatter w/o the whistle on a 6.0? Or do ya'll know of a after market muffler I can put into a stock exhaust to get it?
Any help greatly appreciated!
Thanks,
-Cass

2007 F-250
6.0 Powerstroke
Supercab Short bed

I'll Still be STROKIN' while you're Cummin'
What do you think she'll like?
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post #2 of 13 Old 02-09-2010, 09:30 PM
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Get rid of them both. The truck will sound like a jet getting ready to take off when stopped, but it has a nice steady tone under power. I hardly hear any turbo whistle on mine.

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post #3 of 13 Old 02-09-2010, 09:37 PM Thread Starter
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What about back pressure? Will killing them both create problems with the EGR?

2007 F-250
6.0 Powerstroke
Supercab Short bed

I'll Still be STROKIN' while you're Cummin'
What do you think she'll like?
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post #4 of 13 Old 02-09-2010, 10:34 PM
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Nope. Backpressure on a diesel is not your friend.

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post #5 of 13 Old 02-10-2010, 04:24 AM
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If you take the cat or muffler out you will get even more whistle. It will have a little more rumble to it.

2005 F350 CC SB ,Turbo-back Silverline 304 ss , RCD EGR delete , Elite VGT-SS turbo , SCT tunes by DJ's , cat delete , Autometer triple gauges , 20" MKW M19 , Toyo 38 x 15.50 x 20 , Icon 4-link 10in. lift , Dual Sway-a-way coilovers and shocks , Pioneer Avic F90BT, OUO Driveline Drop, CCV reroute , FS-2500 oil bypass, Mag-Hytec diff covers , Amp steps


Wanting a Cummins swap.
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post #6 of 13 Old 02-10-2010, 06:14 AM
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Any one have a good vid/sound clip of how this will sound? I was interested in doing it as well as a cheap work around to an aftermarket exhaust.

Also is it recommended performance wise, or if you can afford it should you just go with a cheap 4"?

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post #7 of 13 Old 02-10-2010, 06:27 AM
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Quote:
Originally Posted by WV Diesel View Post
What about back pressure? Will killing them both create problems with the EGR?
LikeGoFastPadre said, no problems, all the backpressure your engine needs comes from the turbo. Opening the exhaust after the turbo helps it spool up quicker. The 6.0s have a lot of whistle and not a lot of the diesel chatter like, say, a 7.3, But an open exhaust whistles at idle and sounds awesome when you are on the throttle.


Oh, and What part of WV are you from??

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Type RS BOV
CAI
Muffler Delete



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post #8 of 13 Old 02-10-2010, 06:52 AM
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Quote:
Originally Posted by HOTWHEELS34 View Post
If you take the cat or muffler out you will get even more whistle. It will have a little more rumble to it.
Quote:
Originally Posted by Nova_gts View Post
Any one have a good vid/sound clip of how this will sound? I was interested in doing it as well as a cheap work around to an aftermarket exhaust.

Also is it recommended performance wise, or if you can afford it should you just go with a cheap 4"?

The whistle on my 06 is barely noticeable at idle. I do hear just a tad as the turbo spools up but that is soon replaced by the sound my neighbors really hate LOL

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post #9 of 13 Old 02-10-2010, 05:35 PM Thread Starter
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Does anyone know where I can get a muffler delete pipe that will fit into the stock exhaust system. I want to be able to put it back to stock if necessary w/o cutting everything to pieces.

2007 F-250
6.0 Powerstroke
Supercab Short bed

I'll Still be STROKIN' while you're Cummin'
What do you think she'll like?
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post #10 of 13 Old 02-10-2010, 07:28 PM
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Originally Posted by WV Diesel View Post
Does anyone know where I can get a muffler delete pipe that will fit into the stock exhaust system. I want to be able to put it back to stock if necessary w/o cutting everything to pieces.
I bought my 3 1/2" downpipe and Muffler delete pipe from XDP. They are a site sponsor. You will have to cut the pipe before and after the muffler to put the delete pipe in. Mine is MBRP btw. Just punched out the cat and welded it back in so it looks stock

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