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Old 05-13-2011, 03:20 PM   #3 (permalink)
Easter McoModder
SwamiSalami's Avatar
Join Date: Mar 2010
Location: West Texas, US
Posts: 363

'99 Subaru OLL 2.5L - '99 Subaru Outback Legacy Limited
90 day: 22.57 mpg (US)

Rabbit - '08 VW Rabbit S
90 day: 32.93 mpg (US)
Thanks: 212
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According to research I've done this mod is good for around 1-1.5% improvement.

Here's the link: HowStuffWorks "How much extra gasoline would Americans use if daytime running lights were mandatory?"

Great article, too, btw.
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