No Muffler ? - Ford Powerstroke Diesel Forum
6.0L Performance Parts Discussion What has or has not worked for you?

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post #1 of 20 Old 07-07-2009, 05:13 PM Thread Starter
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No Muffler ?

I have a 2004 F-250 with a mbrp exhaust. Looks like its straight from the turbo back but there is a muffler. How much louder would my truck be with out the muffler?

2004 F-250 4x4 sc long bed
afe intake
mbrp exhaust
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post #2 of 20 Old 07-07-2009, 07:10 PM
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You will get a little more turbo whistle but it shouldn't be too much louder. I run mine straight piped and it isn't too bad unless you really stomp on it.
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post #3 of 20 Old 07-08-2009, 03:46 PM Thread Starter
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Thanks for the reply. I guess since mine is a longbed its harder for me to really hear it...ive seen a couple 6.0 driving around that seem to be alot louder than my truck seems to be.

2004 F-250 4x4 sc long bed
afe intake
mbrp exhaust
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post #4 of 20 Old 07-08-2009, 05:18 PM
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Quote:
Originally Posted by SpeedyLube202 View Post
Thanks for the reply. I guess since mine is a longbed its harder for me to really hear it...ive seen a couple 6.0 driving around that seem to be alot louder than my truck seems to be.
That's because you weren't in the truck with them!

My truck is straight piped too, and it's not bad in the cab while driving. It's everyone else that really gets an earfull when you raunch on it.

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post #5 of 20 Old 07-08-2009, 05:28 PM Thread Starter
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That makes sense. Even tho this is off topic I'm still gonna talk about it because I am bored and I'm supposed to be leaving work but the boss is messin around somewhere...I want an SCT for the truck...bad. But i cant justify spending the money on one because of the problems that may occur. Plus my truck isn't paid for and its still under warranty...and I will end up needing tires after the fun and I am trying to save money...the list goes on blah blah blah. Worth it?

2004 F-250 4x4 sc long bed
afe intake
mbrp exhaust
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post #6 of 20 Old 07-08-2009, 07:38 PM
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you can run a hot tune like extreme street or race and still have fun with it as long as you're not beating on it all the time. watching your guages while having said fun will keep your motor safe. this is just my two cents, but the money i save in fuel mileage in a year justifies owning an SCT product.
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post #7 of 20 Old 07-08-2009, 07:51 PM Thread Starter
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Originally Posted by Mudvain View Post
you can run a hot tune like extreme street or race and still have fun with it as long as you're not beating on it all the time. watching your guages while having said fun will keep your motor safe. this is just my two cents, but the money i save in fuel mileage in a year justifies owning an SCT product.
I appreciate the reply, I had a 97 powerstroke with gauges and a programmer and it was a lot of fun to drive. It seemed like I could drive that truck off a cliff and it would still keep going but my new truck is NEW, at least it is for me and I commute about an hour everyday in it. Im just a little worried that this truck will only give me problems with a programmer.

2004 F-250 4x4 sc long bed
afe intake
mbrp exhaust
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post #8 of 20 Old 07-08-2009, 07:59 PM
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Interesting thread... I want an SCT too, but don't have the bucks. (Or have them and the wife won't let me part with them.) I also have a 4" turbo back MBRP with no cat but a muffler. It sounds great, but I really want to have more whistle, and have wondered if it would really make a difference to take the muffler off. So, you guys are saying I will gain some whistle and not get too much annoying noise?


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post #9 of 20 Old 07-08-2009, 08:08 PM
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I run straight piped and love it, I never even thought of running a muffler. I think Mrbp has a muffler delete pipe for 50 bucks so its worth it!
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post #10 of 20 Old 07-08-2009, 08:08 PM
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It's alittle off topic but I have an 04' and my uncle has an 05/06. I know turbo's between the years changed with the number of vanes but his seems to have more whistle and loudness (?) than mine. Both have the 4' exhaust straight piped but can tuning make and difference? He runs custom sct tunes and I just have canned spartan tunes
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