Underside aerodynamics - rear diffuser

Appearance, Paint & Body Work
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By asianrob
- Tue Nov 13, 2007 4:23 am #29674
teal_dx wrote:
DC4rob wrote:heres one for the front

after market for front
http://cgi.ebay.com/BEATRUSH-UNDER-PANE ... dZViewItem

i always thought the rear one looked different ??? like a panel that covered the rear part but had like a hole for the tow hook??


That is a nice piece!
See I don't know why I couldn't make something like that 8)
I would like to have something like that up front and something similar on the rear, and see what a difference it makes.

I may add this to my list of winter projects!


yea lol looks like something any of us can mock up if just have the time and the resources could make a nice project
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By LowTEC-Derbo
- Tue Nov 13, 2007 8:26 am #29680 my buddy randy has a custom metal sheet going on on his car.

[QUOTE=weksos]Back at it again, randeee's eg6 is new and improved! Big thanks to s0n : hasback photography for some kick a$$ shots. www.weaksauce.org for more images... :wave:

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Thanks for looking! **hasbackftw** [/QUOTE]
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By Bouli
- Tue Nov 13, 2007 9:38 am #29681
DC4rob wrote:
teal_dx wrote:
DC4rob wrote:heres one for the front

after market for front
http://cgi.ebay.com/BEATRUSH-UNDER-PANE ... dZViewItem

i always thought the rear one looked different ??? like a panel that covered the rear part but had like a hole for the tow hook??


That is a nice piece!
See I don't know why I couldn't make something like that 8)
I would like to have something like that up front and something similar on the rear, and see what a difference it makes.

I may add this to my list of winter projects!


yea lol looks like something any of us can mock up if just have the time and the resources could make a nice project


If that thing is under my car it will be broken within 2 days... cuz of al the speedbumps :lol:
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By Gorveatt
- Tue Nov 13, 2007 1:40 pm #29688 *Off Topic*
But why do i see a projector in this pic but not any of the other front view ones :eh:

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By asianrob
- Tue Nov 13, 2007 2:58 pm #29700 i see them in the front pics jsut the glass has those lines in it and it makes it harder to see
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By BAXTER_EJ1
- Tue Nov 13, 2007 3:25 pm #29707 I see them in every pic too, impossible to tell if they are HID or not unless you get a better shot of the bulb or find the ballasts somewhere.
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By Gorveatt
- Tue Nov 13, 2007 3:50 pm #29709 To retrofit like that and use halogen is dumb, and those fluted lens's block SOOO much light too :(
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By asianrob
- Tue Nov 13, 2007 4:01 pm #29711 pretty sure those are hid's in the car with all that money spent :lol: plus its wiretucked too
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By suspendedHatch
- Tue Nov 13, 2007 7:15 pm #29750 I've had a VX rear diffuser on my DX for the past couple of years. I got it from majestichonda.com. It has three clamps and one of those plastic panel screws that expands when they're screwed in. The diffuser helped me get 41mpg highway with my D16Z6 automatic. I'm selling that car though. My new VX already has the rear diffuser.

If you have a wide oval muffler, don't even worry about the passenger side. At the speeds that airflow matters back there, it's not going to go up into the little gaps around the muffler but just shoot right by.

I would recommend against cutting holes in the rear bumper. You can easily create lift by doing that. If you're serious, why not just remove the rear bumper for the 1/4?

All of those aftermarket diffusers in the first post are BS except for the STI. You want to have the rear diffuser at a certain angle slope and you want those separators a certain distance apart. I forget the actual figures but they're well documented.
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By teal_dx
- Tue Nov 13, 2007 7:28 pm #29752 good info :thumb:
I have a thermal exhaust so the muffler fills in the right side somewhat more than a fart can, but a little less than stock.
I'm gonna get the VX diffuser and call it a day. :)
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By Greasedmonkey
- Tue Nov 13, 2007 10:56 pm #29796 i need to go ahead an make sure thats it from honda already. i want it now!!!
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By ohDirka
- Wed Nov 14, 2007 1:02 am #29816
Graham wrote:I want one too, although, i can get 45mpg already :P

Need to get into the 50's!!!! :lol:


do you have an 8valve head?
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By Graham
- Wed Nov 14, 2007 1:07 am #29820 Erm no, ive got a d15b2, 16v sohc non vtec

450 miles on 10 gallons :thumb:

Still a wee bit left but i wasnt going to push any further :lol:
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