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Which diffuser is this?

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Old 09-18-06, 03:00 AM
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Which diffuser is this?

I'm thinking about putting a diffuser on my car as a part of a full 99 spec conversion with the apexi side skirts. Found this RE Amemiya one on fd3s.net but they dont give an exact name and the pictures are only close-ups. Looking for something similar to that one with multiple vertical fins thatll blend with the 99spec conversion. Or something similar to the F430 one, those are damn sexy Also are any of these proven to create downforce?





Old 09-18-06, 03:20 AM
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Its the "street" diffuser opposed to "pro" and no it wont add downforce.
Old 09-18-06, 04:56 AM
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Its the replica of a RE-A Type 1 diffuser...early type like this, they dont make them anymore though
Attached Thumbnails Which diffuser is this?-dsc07683-medium-.jpg  
Old 09-18-06, 06:39 PM
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Originally Posted by Rixio_Scon
Its the replica of a RE-A Type 1 diffuser...early type like this, they dont make them anymore though
Any idea where I could get one or something similar? Are any of these diffusers proven to provide downforce?
Old 09-19-06, 09:58 AM
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BS, that is the mazdaspeed diffuser!
Old 09-19-06, 12:57 PM
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i thought these type of diffusers kepted the car stable at high speeds...
Old 09-19-06, 02:38 PM
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Originally Posted by Davin
BS, that is the mazdaspeed diffuser!
Join date 9-14-06

http://www.mazdaspeed.co.nz/
Old 09-19-06, 03:47 PM
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Originally Posted by BlueRex

^^^ lol

Originally Posted by aoc007
Are any of these diffusers proven to provide downforce?
the ones I have seen in person are just for looks. The only thing that holds them to the car are a few dinky screws.

Maybe the mazdaspeed ones are functional .

Last edited by Montego; 09-19-06 at 04:07 PM.
Old 09-19-06, 04:15 PM
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Originally Posted by *RX007*
i thought these type of diffusers kepted the car stable at high speeds...
That is correct.

Last edited by Zebb; 09-19-06 at 04:17 PM.
Old 09-19-06, 04:20 PM
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A rear diffuser is'nt for downforce, its to clean the air flow under the car.

They work , its not just for show.
Old 09-19-06, 04:24 PM
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It will give you downforce IF the car is flat and low. But thats not the case here...
Old 09-19-06, 06:20 PM
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Wink

Originally Posted by *RX007*
i thought these type of diffusers kepted the car stable at high speeds...
kepted?

Your High School English Teacher----> <----You

Old 09-19-06, 06:43 PM
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rotary extreme used to carry it. But its no longer on their site. Probably hasnt been for a while. They just carry the pro version.


try getting one used I guess, might be your only option.
Old 09-19-06, 07:00 PM
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http://www.mulsannescorner.com/diffuser.htm

Covers the purpose of a diffuser. It basically causes a pressure differential or "sucking" action that does introduce downforce. The diffuser also stabilizes air flow and helps keep the rear end from walking. However, this only works at higher speeds and is completly worthless for most street driving. Though I think a black diffuser and a black fd is hot.
Old 09-20-06, 01:53 AM
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Yes it's twin turbo...

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Originally Posted by GoodfellaFD3S
kepted?

Your High School English Teacher----> <----You

you mean my high skool teacher right? and that post was right after i woke up ...
Old 09-20-06, 01:54 AM
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Yes it's twin turbo...

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thats what spoilers are for... to create down force...
Old 09-20-06, 02:24 AM
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yeah you want to see a nice diffuser with fins... look no further than mercedes + mclaren. if anyone out there can make one similar (in fiberglass or CF) ill be your first and second coustomer. i love this diffuser, and want a similar one on my FD!! (notice however the entire belly has a flat pan on it which transitions in an upward sweep to the diffuser)









personally i think for the back of the FD, the old amemiya diffuser was a bit too chunky. the FD's got a delicate back side and a few more (slightly more shapely) fins would look much better. problem is we're still disrupting air between the front pan and the rear diffuser. however... aesthetically, i think something very close to this design would suit a 99 FD quite well. did i mention id buy a couple food for thought you aereo-CF-designers
-heath
Old 09-20-06, 02:35 PM
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^^^ agreed............O yeah I would buy one too!
Old 09-20-06, 02:44 PM
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I think the RE A Diffuser is a subtle hint of badassness (learnt that word in skool as well )
Old 09-20-06, 03:33 PM
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Originally Posted by dubulup


I think the RE A Diffuser is a subtle hint of badassness (learnt that word in skool as well )
Agreed, now if only we could get one!
Old 09-20-06, 04:12 PM
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Originally Posted by Nuvolari
A rear diffuser is'nt for downforce, its to clean the air flow under the car.

They work , its not just for show.
Functional diffusers create downforce which pulls the car down with it... and yes it keeps the car stable at high speeds as well.
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