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Old 07-31-2008, 03:43 PM   #10 (permalink)
EcoModding Lurker
Join Date: Jul 2008
Location: Idaho
Posts: 45

RockMagnet - '04 Subaru Impreza wagon WRX
90 day: 26.16 mpg (US)
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Subarus(and most modern turbo gas engines) have bypass valves instead of blow-off valves. Replacing the BPV with a BOV on a subaru without changing the MAF locatoin results in wasted fuel between shift.

Blow Off Valve FAQ: Read if you are thinking of buying one! - NASIOC
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