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Old 04-08-2009, 03:11 PM   #1
Scooby Newbie
Member#: 206199
Join Date: Mar 2009
Chapter/Region: MWSOC
Location: Woodstock IL
2004 WRX

Question gas milage

ok so i have a 2008 Subaru Impreza with i think the 2.5 single over head cam auto ( i know i know its gay but my mom gave me the car till i finish school) my question is MPG. What is every1 else getting per tank? I dont know is the older Imprezas have it or not but on my car it tells me im getting 26.1 MPG. What is very1 else getting?? What else can i do to get better MPG ??? i was gunna do plugs wires, axle back. and a k&n drop in. any of these bad for MPG?

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Old 04-08-2009, 03:47 PM   #2
Scooby Specialist
Member#: 38222
Join Date: Jun 2003
Chapter/Region: Tri-State
Location: Cicero, NY
'10 &'12 Foresters
another Miata convert


Your member number is showing. All answers can be found <here>.
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Old 04-08-2009, 04:23 PM   #3
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Member#: 151079
Join Date: Jun 2007
Chapter/Region: MAIC
Location: College Park, MD
2005 2.5RS RBP
too many friction losses


Don't waste your money on a K&N drop-in, they don't do anything.
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Old 04-08-2009, 05:18 PM   #4
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Member#: 200321
Join Date: Jan 2009
Chapter/Region: South East
Location: Arkansas
2009 Forester 2.5XP
Armpit Green


Originally Posted by chazly413 View Post
Don't waste your money on a K&N drop-in, they don't do anything.
Agreed. Get an Amsoil paper filter (like oem but reusable and slightly more free flowing). or AEM dry flow. anything oiled is bad.
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Old 04-08-2009, 06:52 PM   #5
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Member#: 22664
Join Date: Aug 2002
Location: north nj

Basically everything you listed I think is a waste. In reality there are a few things you can do to lighten the car, and really is your best bet. But doing so makes the car in my eyes less pleasing. For example you can get one of those lightweight batteries, but I hear in harse weather they have trouble starting. Taking out backseats just makes the car look stripped etc.

My suggestion.........

hit the gym
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Old 04-08-2009, 07:18 PM   #6
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Member#: 165749
Join Date: Dec 2007
Chapter/Region: South East
Location: Central Floriderp

If you ever get as far as doing a Hybrid intake and some EL headers and the exhaust from there back, a tune will get you a couple MPG if you can resist the urge to squeeze the pedal on the right. But that's a more than neglidgeable amount of $ for a long term, if ever, payback. Im currently getting 1.5 mpg more in all city driving from my setup, with a less than perfect tune. Highway is at 30mpg the two times i actually used up an entire tank on all freeway driving, but i was doing 80-85 mph a good part of that tank.
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