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post #1 of 12 Old 05-24-2012, 10:56 AM Thread Starter
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exhaust question?

hello there, my first post and glad to be part of the 7.3 family. I recently bought a 99 250 4x4. Im gonna start with a few small mods like intake and exhaust. I did some research here and the 6637 seems to be the way to go. Now im stuck on the exhaust. I cut the stock exhaust and it rattles like crazy. Im looking for something a little smooth sounding. My question is, if i get an exhaust like diamond back or mbrp with no muffler will it sound like the open downpipe i have now? Ill appreciate any input
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post #2 of 12 Old 05-24-2012, 11:14 AM
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it will have a nice throaty sound...

for MBRP i recommend this one: http://stealth-automotive.com/index....roduct_id=1730


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post #3 of 12 Old 05-24-2012, 12:16 PM
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i have the magnaflow 4 inch system and i cut the muffler off and welded on a straight pipe and it sounds so much better than being dumped under the cab and is quite quiet in the cab now

this is my truck now (video does not come close to how good it sounds in person)


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I've already explained that to him multiple times tho and he doesn't understand... Im about to bust out some crayons and draw it for him.

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6637 Filter, Warn locking Hubs, Recon LED Cablights, Leveled 2", 8" CAT Stack, 35" Goodyear Duratracs, High pressure oil crossover tube
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post #4 of 12 Old 05-24-2012, 12:20 PM
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the stock exhaust cut off short sounds bad, in my opinion. However, with the muffer replaced with straight pipe, the stock 3.5" exhaust, exiting in the stock location, sounds fine... increasing the daimeter of the pipe, with an aftermarket exhaust like MBRP, and it does deepin the sound, but sound diffrence is the only advantage unless you are going to huge power mods.

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'00 F350 extcab, 9' utility bed, dually 228k


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post #5 of 12 Old 06-01-2012, 01:57 PM
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post #6 of 12 Old 06-04-2012, 06:13 PM
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I was thinking about just cutting the muffler off the factory system until I could save up the money for a 4" turbo back system. Is there anyone out there running like that or has before? Do you get more turbo whistle? Any increase in the sound in the cab? I would really like to have a little more sound from my truck but also don't want to do anything that would end up making it sound like some pissed off bumble bee that you hear on some of those modified rice burners.


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post #7 of 12 Old 06-04-2012, 06:17 PM
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We took the muff/cat off my stock exhaust and put in straight pipes.. sounded real good but I want to get rid of the factory downpipe so I am ordering a 4" Diamond Eye Turbo back system tonight.
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post #8 of 12 Old 06-04-2012, 06:31 PM Thread Starter
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Quote:
Originally Posted by BartG View Post
I was thinking about just cutting the muffler off the factory system until I could save up the money for a 4" turbo back system. Is there anyone out there running like that or has before? Do you get more turbo whistle? Any increase in the sound in the cab? I would really like to have a little more sound from my truck but also don't want to do anything that would end up making it sound like some pissed off bumble bee that you hear on some of those modified rice burners.
Bart i ran my truck for a while like that. Turbo whistled like crazy but also gained lots of rattle under the cab, youll looseget a bit of throttle response but eventually youll get used to it. I went with the 4"turboback mbrp turboback no muffler. It was a bit tricky to fit, especially the downpipe who was super tight to the tranny. It sounds a lot cleaner now and it still whistles.
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post #9 of 12 Old 06-04-2012, 07:17 PM
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My trucks are all straight piped stock exaust, except the Excursion, the wife won't let me do it... yet. I think they sound ok, and for the cost, well worth it. But, having a welder in the garage, and able to do it myself, and access to free pipe... you see where that goes... I have installed a glass pack style chrome muffler tip, it takes the edge off the noise, but even without it, it's not out-of-hand loud.

Greg

'99 E350 DRW Stahl 11' util box van, 7.3 PSD, stock. 138k SOLD

'00 F350 extcab, 9' utility bed, dually 228k


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'00 Excursion Limited, 7.3PSD 294k

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post #10 of 12 Old 06-04-2012, 09:58 PM
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Smile exhaust

MBRP PERFORMANCE system works for my beast, not too loud, not allowed in AUSTRALIA !!
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