"Spikes" on the roof? - Toyota Yaris Forums

schleppy · 03-21-2010, 10:16 AM

Quote:

Originally Posted by cali yaris

"vortex generators"

Their purpose (on an STI) is to help create more downforce on the wing when that air hits it.

So far as I know they never came on the STi, only on the Evo MR, which you have pictured :D

The 06+ STi sedan had a roof deflector that had a similar purpose (directing/cleaning air that goes to the spoiler).

Kaotic Lazagna · 03-21-2010, 02:20 PM

Quote:

Originally Posted by schleppy

So far as I know they never came on the STi, only on the Evo MR, which you have pictured :D

The 06+ STi sedan had a roof deflector that had a similar purpose (directing/cleaning air that goes to the spoiler).

They never came from the factory with them, but were available from various aftermarket companies:

spookz · 03-23-2010, 04:52 AM

Quote:

Originally Posted by Kaotic Lazagna

They never came from the factory with them, but were available from various aftermarket companies:

They did come standard on WRX STI Spec. C..

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