Whats the name of the thing people put on the rear of their subies?

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Old Nov 17, 2008 | 03:59 PM
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Whats the name of the thing people put on the rear of their subies?

On the rear-center, next to the muffle... Its a plastic thing with like 5 fins on it.

I'm guessing its for aerodynamics? Does it come stock on any cars? Or where can you get it? I want to get my friend one as a gift cuz he mentioned that he liked the thing, I just cant remember what they are called.
Old Nov 17, 2008 | 04:00 PM
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Old Nov 17, 2008 | 04:01 PM
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rear diffuser but i have also hear it called an underspoiler
Old Nov 17, 2008 | 04:02 PM
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HOLY CRAP thats expensive!

That one looks a lot different then the ones Ive seen... Perhaps its cheaper?
Old Nov 17, 2008 | 04:03 PM
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yeah there are cheaper ones.
Old Nov 17, 2008 | 04:03 PM
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daniel, your 06 STi should have a rear diffuser stock. Just smaller.
Old Nov 17, 2008 | 04:05 PM
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Originally Posted by brucelee
On the rear-center, next to the muffle... Its a plastic thing with like 5 fins on it.

I'm guessing its for aerodynamics? Does it come stock on any cars? Or where can you get it? I want to get my friend one as a gift cuz he mentioned that he liked the thing, I just cant remember what they are called.
this is all I can think of...

Old Nov 17, 2008 | 04:12 PM
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^hahahaha
Old Nov 17, 2008 | 04:14 PM
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Originally Posted by medicSTi
daniel, your 06 STi should have a rear diffuser stock. Just smaller.
Yeah, Im just gonna give him mine since I dont like the way it looks at all anyway. Mine is kinda ghetto though... feels really cheap
Old Nov 17, 2008 | 04:21 PM
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was your stock diffuser replaced by the previous owner?
Old Nov 17, 2008 | 04:22 PM
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Originally Posted by Krinkov
this is all I can think of...

That's just wrong & offensive.

The black ones would need to be twice the size of the white ones.
Old Nov 17, 2008 | 04:22 PM
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Originally Posted by brucelee
Yeah, Im just gonna give him mine since I dont like the way it looks at all anyway. Mine is kinda ghetto though... feels really cheap
It's all a part of an overal package wind tunnel tested by STi. If you don't like sure give it away, but it's functional at higher speeds, esp if your car is lowered. It's there to compliment the other aero done to those years cars like the vortex generator at the back window, and the flat panels underneath the car, the pointed nose. Def my favorite from a technical standpoint of all the cars.
Old Nov 17, 2008 | 04:23 PM
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Originally Posted by brucelee
On the rear-center, next to the muffle... Its a plastic thing with like 5 fins on it.

I'm guessing its for aerodynamics? Does it come stock on any cars? Or where can you get it? I want to get my friend one as a gift cuz he mentioned that he liked the thing, I just cant remember what they are called.
I have one coming in the mail
Old Nov 17, 2008 | 06:22 PM
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Originally Posted by brucelee
HOLY CRAP thats expensive!

That one looks a lot different then the ones Ive seen... Perhaps its cheaper?
I have that one on my car, w00t!

-Gio
Old Nov 17, 2008 | 06:35 PM
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Originally Posted by Lboogie
That's just wrong & offensive.

The black ones would need to be twice the size of the white ones.
hahaha



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