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Old 05-01-2018, 10:20 PM   #20 (permalink)
mpg_numbers_guy
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Join Date: Feb 2018
Location: VA
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Toby - '13 Toyota Prius C
90 day: 64.01 mpg (US)

Daz - '15 Mazda 3 iTouring w/ Tech Package
90 day: 38.2 mpg (US)
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Quote:
Originally Posted by 19bonestock88 View Post
Well I have a prototype trunklid extension (spoiler) on my car for testing... I took some pics while I mocked it up on my parts car... I made it 4” out from the trunklid, matching its curve... initially I can’t tell much difference but ill do some more testing before I either scrap it or finish (paint match) it
Do you think 4" is long enough? It seems the point of this mod is for the airflow following the template to reattach....does the extension touch where the air flow would be following the template?

Kind of like this:

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2013 Toyota Prius C 2 (my car)


2015 Mazda 3 iTouring Hatchback w/ Tech Package (wife's car)
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