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Challange: Rear diffuser ideas?

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Old Jan 18, 2012 | 02:37 PM
  #1  
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Challange: Rear diffuser ideas?

Looking to start planning my next project.
The interest in this item seems to be high.
I have been looking for some inspiration, and ideas.
It is just very hard to picture it on our car.
So I'm calling on the community to help.
I am looking for Photoshop and Sketch up pics.

A few rules and requirements:
1. Serious ideas only
2. Must be designed with the community in mind
3. Must use pic provided
4. You must stay below the yellow line. Minimum white line
5. Needs attachment points
6. Keep exhaust tip quantity and size in mind
7. Functionality
8. Safety
And lastly it has to be feasible for me to prototype.
Here is a link to my build thread and my project threads. Just in case
https://www.evolutionm.net/forums/09...-ra-story.html



By gccruz at 2012-01-18


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By gccruz at 2012-01-18
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Old Jan 18, 2012 | 03:30 PM
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Is it possible to be made to work on both RA sedan and RA SB?
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Old Jan 19, 2012 | 06:25 PM
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Brilliant!! So glad that you are looking into it. Are you looking at a replacement part so the rear looks like an x, or something like the aftermarket diffusers eg varies / jun?







or the replacement bumper like this - only problem is tat it wouldn't be compatible with the sportback


Last edited by billyboy1; Jan 19, 2012 at 06:36 PM.
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Old Jan 19, 2012 | 06:55 PM
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Unfortunately, the sedans and sportbacks are identical, except from the C-pillar back. They can't share anything back there that is body paneling (diffs, exhaust, etc are the same.)
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Old Jan 19, 2012 | 07:44 PM
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Originally Posted by sstevojr
Unfortunately, the sedans and sportbacks are identical, except from the C-pillar back. They can't share anything back there that is body paneling (diffs, exhaust, etc are the same.)
If the SB has the same exhaust, then it would have the same cut outs. I may be able to have the RA one fit with a little modification.

Anyone have a picture of the SBs *** end they can share, preferably one streight on.

I was thinking a replacement, but in our case it would just bolt over our existing one. I have looked into making a high quality part, but not to many people interested in paying for the quality.
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Old Jan 20, 2012 | 03:17 AM
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trying to see if the EVO 9ish look would look good still very ruff might play around with a cardboard mock up later when I get my car.

Last edited by 08Lancer89; Jan 20, 2012 at 03:31 AM.
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Old Jan 20, 2012 | 02:29 PM
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Originally Posted by gccruz
If the SB has the same exhaust, then it would have the same cut outs. I may be able to have the RA one fit with a little modification.

Anyone have a picture of the SBs *** end they can share, preferably one streight on.

I was thinking a replacement, but in our case it would just bolt over our existing one. I have looked into making a high quality part, but not to many people interested in paying for the quality.
the exhaust is the same, the bumper is different. This is why a diffuser designed for the Ralliart sedan will not fit the Ralliart Sportback.

The unpainted black plastic section on the Sportback's rear bumper is removable:


The same section on the sedan is not...
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Old Jan 22, 2012 | 03:40 PM
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VERY basic paint rendering of my thoughts. The diffuser panes that stick out of the bottom would actually be slightly pointed toward the bottom, when viewed from the rear: \/ \/ \/ \/ \/ \/ \/ and would be flat faced on the back and angle upward as they go further foward, as well, similar to an upside-down vortex generator design.

Mounting points could include a few hidden on the underside, underneath the bumper, and holes could be made so as to use longer license plate screws when putting the plate on to secure the diffuser cleanly up-top as well.

Attached Thumbnails Challange: Rear diffuser ideas?-diffuser.jpg  
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Old Jan 23, 2012 | 06:47 AM
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Originally Posted by 03chi-town0Z
VERY basic paint rendering of my thoughts. The diffuser panes that stick out of the bottom would actually be slightly pointed toward the bottom, when viewed from the rear: \/ \/ \/ \/ \/ \/ \/ and would be flat faced on the back and angle upward as they go further foward, as well, similar to an upside-down vortex generator design.

Mounting points could include a few hidden on the underside, underneath the bumper, and holes could be made so as to use longer license plate screws when putting the plate on to secure the diffuser cleanly up-top as well.

nice! keep them coming.
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Old Jan 23, 2012 | 06:53 AM
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Originally Posted by nunyas
the exhaust is the same, the bumper is different. This is why a diffuser designed for the Ralliart sedan will not fit the Ralliart Sportback.

The unpainted black plastic section on the Sportback's rear bumper is removable:


The same section on the sedan is not...
I think it can be done i would need a few more pics. I could use some picks from high and low straight on, one from 5 o'clock, and one from 3 o'clock (side).
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Old Jan 23, 2012 | 09:15 PM
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I'll take some photos of mine in the next few days for you - any others that you'll like beside the one previously mentioned?
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Old Jan 24, 2012 | 07:53 AM
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Originally Posted by billyboy1
I'll take some photos of mine in the next few days for you - any others that you'll like beside the one previously mentioned?
Thanks
It is up to you, if you like a certain design, post it up.
I just don't want to spend a lot of time fabricating something up that no one likes.
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Old Jan 24, 2012 | 09:42 AM
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it might be... i also noticed that the sedan has that "belt line" on the bumper where the sportbacks do not. I'll take some pics this weekend for ya if it helps. Though, honestly, i've been planning to make my own diffuser; just because...
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Old Jan 30, 2012 | 12:12 PM
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From: Wonder lake IL
Took a little bit of Kyle's idea and drew up my vision.


By gccruz at 2012-01-30

Closer


By gccruz at 2012-01-30
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Old Jan 30, 2012 | 12:47 PM
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Originally Posted by gccruz
Took a little bit of Kyle's idea and drew up my vision.


By gccruz at 2012-01-30

Closer


By gccruz at 2012-01-30
Looks really good. Just hope you can kill 2 birds with one stone making it fit on the sedan and the sportback =D
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