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Old 03-04-2009, 02:42 PM   #5 (permalink)
EcoModding Lurker
Join Date: Jul 2008
Location: Idaho
Posts: 45

RockMagnet - '04 Subaru Impreza wagon WRX
90 day: 26.16 mpg (US)
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Thanked 8 Times in 7 Posts
I used the five bolt holes used by the factory plastic undertray. Asside from the weight, it's just as easy to remove as the stock piece. I have found a problem though. If I drop something in the engine bay, it no longer falls out the bottom.

Coasting distance increased enough to screw up my stop light timing. Also, cruising load dropped a whole .01MPa.
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