Diesel Exhaust Stack? - Defender Source
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  #1  
Old December 18th, 2011, 03:18 PM
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So I am working on a concept to route my Tdi exhaust up through the front fender and up the windshield frame/cage. The exhaust would look exactly like the Mantec snorkel on the other side and exit the top of the fender through the fresh air intake.

The main reason for doing this is I want to raise the exhaust out of the water, but I also think it would be unique.

Any idea how this would affect back pressure? I assume it would lower my EGTs slightly. I already run without a muffler too.

I also need to figure out where to get fresh air if I do this.
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  #2  
Old December 18th, 2011, 04:12 PM
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What is the function of this vehicle that you would be wading so deep so often that this would be necessary? Tdi engines are not known for being very quiet, then put a direct exhaust right next to the cab seems a bit much to me.
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  #3  
Old December 18th, 2011, 04:15 PM
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I'd think you'd risk burning the sh!t out of yourself as well.
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  #4  
Old December 18th, 2011, 04:25 PM
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Its just an idea. But I routinely submerge the exhaust, and often have water mid-way up the doors. Our last Canadian expedition had us spending a lot time in the water. I'm really trying to avoid cutting a hole in the rear quarter to raise the exhaust.

------ Follow up post added December 18th, 2011 04:27 PM ------

Quote:
Originally Posted by broadstone
What is the function of this vehicle that you would be wading so deep so often that this would be necessary? Tdi engines are not known for being very quiet, then put a direct exhaust right next to the cab seems a bit much to me.
Do you have a diesel? The louder the better!
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Old December 18th, 2011, 04:28 PM
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I seem to remember reading somewhere that the bump in the exhaust over the axle serves as an airlock keeping water from backing up the exhaust pipe -- if that's the case I can't see why it's necessary to route the tip above a potential water line.

Granted, if you did go up the windshield you could get one of those cool flapper things to go on top . . .
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Old December 18th, 2011, 04:31 PM
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That is what the hump does, and you are good as long as the motor is running, but if the motor dies you can suck water up the exhaust.
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Old December 18th, 2011, 05:07 PM
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Unless you extend it way up above the roof you will end up with exhaust in the cab if you open the window.
Not sure about the regs where you are but it would never pass inspection in any of the New England states.

If your that deep and the motor dies chances are that you fucked anyhow so why worry. I've run an exhaust at about 36" high for 15yrs of hard wheeling with several over the bonnet stucks. Keep it running. No worries.

I do need to mount the stereo higher
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  #8  
Old December 18th, 2011, 05:11 PM
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All points I am considering. This is driven more by form than true function.
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Old December 18th, 2011, 05:24 PM
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Quote:
Originally Posted by Wolf Fabrication View Post

------ Follow up post added December 18th, 2011 04:27 PM ------



Do you have a diesel? The louder the better!
Yes, I have a TDI. Not sure I agree with the rest of that statement though but just my opinion.
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  #10  
Old December 18th, 2011, 05:30 PM
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Come on, the spooling of the turbo and clatter of the diesel is better than anything on the radio.
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  #11  
Old December 18th, 2011, 05:39 PM
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Look good with those 35"
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  #12  
Old December 18th, 2011, 06:05 PM
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You might want to check local regs on this, as most will have exhaust exit behind passenger compartment.
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  #13  
Old December 18th, 2011, 06:13 PM
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The form to me just seems a bit too much like a LCpl in Camp Lejeune who has the smoke stacks coming out of the back of a dually Dodge Ram...but to each their own.
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Old December 18th, 2011, 06:13 PM
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Quote:
Originally Posted by gchinsr
You might want to check local regs on this, as most will have exhaust exit behind passenger compartment.
I don't have regs, nor do I care.

------ Follow up post added December 18th, 2011 06:14 PM ------

Quote:
Originally Posted by Ray_G
The form to me just seems a bit too much like a LCpl in Camp Lejeune who has the smoke stacks coming out of the back of a dually Dodge Ram...but to each their own.
Come on Ray Ray, stacks will make my truck look badazz. Throw on a big combat action ribbon sticker too.
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  #15  
Old December 18th, 2011, 06:35 PM
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I am eagerly waiting for chapmans response
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Are there shocks that I can addjust up and down like my friends LX460? That would be very cool!
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Old December 18th, 2011, 06:38 PM
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x2... My thoughts exactly
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  #17  
Old December 18th, 2011, 06:39 PM
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Quote:
Originally Posted by bjf
I am eagerly waiting for chapmans response
Really? You just moved down my coolness list a notch.
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Old December 18th, 2011, 06:43 PM
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It's like you are playing tee ball with him
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Are there shocks that I can addjust up and down like my friends LX460? That would be very cool!
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Old December 18th, 2011, 07:07 PM
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In my opinion, the best solutions for modding exhaust have already been built by one man, but I think you're really onto something...
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I am talking purely from an aesthetics standpoint.
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  #20  
Old December 18th, 2011, 07:10 PM
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Quote:
Originally Posted by rijosho
In my opinion, the best solutions for modding exhaust have already been built by one man, but I think you're really onto something...
Holy crap, those are awful.
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