New O2 sensors will improve emissions and will do wonders for your gas mileage as well. I need to do the same to my car but havent gotten that trust check engine light yet
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1993 25th Anniversary Edition # 156 of 301 ~ 121, 488 miles ( SOLD TO svxfiles 8/6/06)
2006 Subaru Impreza 2.5i....5spd - My daily driver
2006 Subaru Legacy 2.5i -7k miles..Mom's daily driver
2,543 Member of the SVX World Network
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