I installed one and apparently they dissintergrate if they fall of at 110kmph. Have a look at Stinga's beast (there is a thread titled 'STi Photo Shoot'). Just ordered a CF one myself for $499 + Delivery.

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[COLOR="Red"]I have the right foot of Subaru death![/COLOR]

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365hp and 515nm

New Beast to arrive April 2015 - 365hp, 450nm, 0-100 in 4.4sec. AMG Goodness!