Noob question..... What is this part??
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  1. #1
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    Noob question..... What is this part??

    what is it called?
    does it have a purpose? or is it purely cosmetic?
    can it go on a 02,03 wrx? (if so anyone with pics?)

    THANKS IN ADVANCE


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  3. #2
    Registered User jeffmm06's Avatar
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    That would be a roof spoiler, cosmetic and im sure anything is possible for putting one on your car. I would assume you would have to drill some holes to make it attach however.
    2005 WRB WRX "was" STAGE 2

  4. #3
    Registered User Pactin's Avatar
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    -Roof Vane
    -Yes; directs air to rear wing which causes more downforce, cosmetic if no rear sti wing
    -Yes, fits all GD bodies
    --Justin

    Hawk-Eye Alliance #128

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    Quote Originally Posted by jeffmm06 View Post
    That would be a roof spoiler, cosmetic and im sure anything is possible for putting one on your car. I would assume you would have to drill some holes to make it attach however.
    Wrong, it's functional with the STI whale tail.

    As said it's a roof vane. It directs air towards the wing.

    If you don't have an STI wing and don't have the measurements on where to put it, you shouldn't get one

  6. #5
    Registered User mwake1's Avatar
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    In theory, it is supposed to maintain laminar airflow over the roof, rear window and the rear spoiler. Not only to maintain downforce, but maintaining laminar flow over the length of the vehicle reduces drag.
    Here's an example, ever see people in trucks that drive around with their tailgate open? Supposedly they think they are reducing drag but actually they are increasing it! When the tailgate is closed, an air rotor forms in the bed and helps maintain smooth airflow over the truck, when the tailgate is lowered, the rotor doesn't form, and so when air spills over the roof of the cab, it becomes turbulent increasing drag.
    The top spoiler or vent helps maintain that smooth flow. In theory.

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