taken off the stock muffler - Ford Powerstroke Diesel Forum
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post #1 of 36 Old 10-29-2008, 04:20 PM Thread Starter
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taken off the stock muffler

Does it sound alot louder without the stock muffler on? and is there a power increase? with you replace it with straight pipe?
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post #2 of 36 Old 10-29-2008, 04:25 PM
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Does it sound alot louder without the stock muffler on? and is there a power increase? with you replace it with straight pipe?
The only time it is louder is when your relly pouring the coals to it. You wont feel any power increase but I saw an increase in mpg. While your at it you might as well get rid of the kitty as well.

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post #3 of 36 Old 10-29-2008, 04:26 PM
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it would be easir if you filled out your sig, meaning truck, and mods,
If you cut off the stock muffler, it would be alot louder than w/ the muffler, also will you be putting a larger straight pipe on in the future, and now power increase by cutting off the muffler

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post #4 of 36 Old 10-29-2008, 04:26 PM
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I should be a little louder, I dont think it will affect your power very much.
probably will drop your EGT's a little
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post #5 of 36 Old 10-29-2008, 04:26 PM
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thanks highland, you beat me to it

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post #6 of 36 Old 10-29-2008, 04:38 PM
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when i baught my truck, it was stock, i drove it home from the guy i baught it from and the very first thing i did was cut off everything from my dp back and just put a 4" stright on it, but then later i put a 3.5 dp on after i had some cash lying around, it sounded 10x better after i got done

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post #7 of 36 Old 10-29-2008, 04:43 PM
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yep like they said cut that cat and muffler off and throw a four or five inch straightpipe on it, it will sound a lot better and gas mileage will increase a little

03 king ranch w/ a cummins
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post #8 of 36 Old 10-29-2008, 04:44 PM
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thanks highland, you beat me to it
lol No problem

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post #9 of 36 Old 10-29-2008, 04:45 PM
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if i was smarter, at the time i replaced my stock exhaust, i would have gone w/ a 5" straight like ford_trck did w/ his truck

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post #10 of 36 Old 10-29-2008, 04:46 PM
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Yep I would have gone with a 5" instead of a 4" too the deeper tone is so much better, or you could just do stacks

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