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Old 03-02-2013, 02:07 PM   #4
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Join Date: Feb 2013
Location: So. Cal
Posts: 24
TY on the advice!

Can you comment on my MPG ratings?

Since the plenum upgrade, the Porsche on board computer indicates substantial increase in HWY driving 37 MPG (results of 3 months of monitoring).

Please comment.... thanks!
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