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Old 09-23-2013, 09:21 PM   #5 (permalink)
jedi_sol
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Join Date: Mar 2009
Location: Tustin, CA
Posts: 929

2013 STi *SOLD* - '13 Subaru Impreza WRX STi
Subaru
Sports Cars
Team Turbocharged!
90 day: 26.59 mpg (US)

1996 Geo Metro *RETIRED from Ecomodding* - '96 Geo Metro Base
90 day: 58.68 mpg (US)
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what kind of daily commute do you have?

If its mainly city driving - weight savings will have a bigger impact on mpg. Plus most of these are FREE
1)remove spare tire, replace with a bottle of "fix a flat" or something similar
2)remove back seat
3)remove passenger seat if you dont drive with anybody.
4swap out a smaller battery
5 removing the power steering is also free, this gave me a solid 3mpg bump.

if youre commute is mostly highway - aero mods will have a bigger effect on mpg
1)upper grill block
2) lower grill block
3)side mirror deletes
4)side skirts
5)front wheel covers
6)rear wheel covers

If you are not worried about looks, everything on that list is achievable via CAD (cardboard aided design)
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