Muffler Delete Pipe?
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Elder User
Joined: Jul 2006
Posts: 730
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From: Newtown Pa 18940
Muffler Delete Pipe?
I removed my cat and now I want to remove my muffler and I have some questions for people that have already done this. Will I loose my bottom end power with the loss of back pressure? How loud will the exhaust be after removing the muffler with the cat? Can I use a programmer with the tunes already installed or do I need to get a custom tune? Will this lower my MPG?
Post Fiend
Joined: Oct 2002
Posts: 11,314
Likes: 4
IMHO and experience,
Save your muffler or be ready to replace with a good flow thru like the walker BTM...
The drone and straight pipe was too loud for me and mine, but your results may vary
the link in my signature is with the walker btm muffling it !
Save your muffler or be ready to replace with a good flow thru like the walker BTM...
The drone and straight pipe was too loud for me and mine, but your results may vary
the link in my signature is with the walker btm muffling it !
Senior User
Joined: Apr 2007
Posts: 368
Likes: 0
From: Kansas
I dont hear it in mine either except maybe a little between 55 and 60 mph, other than that I dont even notice they are both gone until I get on it. Experienced no loss or gain in fuel mileage and the same goes for the bottom end power, no loss or gain.
Senior User
Joined: Aug 2010
Posts: 216
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From: Duncan, OK
here is a youtube video of a 6.0 with a straight pipe,
YouTube - 6.0 powerstroke straight pipe, beautiful sound
my truck sounds the same way and I just have a 4" straight piped, cat and muffler delete with a 5'' tip
YouTube - 6.0 powerstroke straight pipe, beautiful sound
my truck sounds the same way and I just have a 4" straight piped, cat and muffler delete with a 5'' tip
Posting Guru
Joined: Nov 2008
Posts: 1,458
Likes: 2
From: CA Sacramento
I removed my cat and now I want to remove my muffler and I have some questions for people that have already done this. Will I loose my bottom end power with the loss of back pressure? How loud will the exhaust be after removing the muffler with the cat? Can I use a programmer with the tunes already installed or do I need to get a custom tune? Will this lower my MPG?
You will loose some low end but it is unnoticeable. This will not lower your mpg. not sure on the tunes.
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Elder User
Joined: Jul 2006
Posts: 730
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From: Newtown Pa 18940
I pull a 12000 lb 5th wheel so I guess I better be prepared to add a muffler later. I will do the delete pipe and if it is too loud I will add a muffler.
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