exaust question
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New User
Joined: Dec 2004
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exaust question
After getting tired of hearing the quite 6.0 compared to my old 7.3 I got a wild hair and decided to stop by the muffler shop on the way home one day and have them remove my muffler and replace it with a piece of straight pipe. I know that the expensive exausts are much better but I just wanted some cheap sound since I am not running a chip yet and don't need a 4". After inspecting the pipe that replaced my muffler I noticed it was smaller than the stock 3.5" pipe. When I asked the guy that did it, he said that no exaust shop in town had 3.5" pipe so he put a piece of 3" in it. My question is, does 3" straight pipe in place of the muffler meet/exceed the exaust flow that I was getting out of the stock muffler with 3.5" inlet/outlet? I am paranoid that I may be running high egt's because of the restriction of the smaller pipe.
Senior User
Joined: Sep 2004
Posts: 235
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From: S.W. Michigan
I ran mine like that for months, until I bought a muffler delete pipe from ITP Diesel. I think the 3.0 inch would flow as good, but probably better than the stock muffler. But I don't have any proof of that.
Post Fiend
Joined: Apr 2004
Posts: 19,098
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From: Great State of Texas
Welcome to the 6.0 forum johndeereman
When you get a chance you might want to cruise over to our Tech Folder for some great 6.0 info.
https://www.ford-trucks.com/forums/showthread.php?t=303583
Please take a few moments to read our site guidelines as well.
https://www.ford-trucks.com/guidelines.html
When you get a chance you might want to cruise over to our Tech Folder for some great 6.0 info.
https://www.ford-trucks.com/forums/showthread.php?t=303583
Please take a few moments to read our site guidelines as well.
https://www.ford-trucks.com/guidelines.html
