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Old 07-27-2013, 06:49 PM   #22010
Scooby Newbie
Member#: 354893
Join Date: Apr 2013
Chapter/Region: South East
Location: Orlando Fl
2011 Wrx


Originally Posted by blehhh View Post
You need a tune.

You've completely thrown off the mass air flow sensor by altering the intake piping. A correct tune will have MAF scaling to dial it back in.

Usually aftermarket intakes are larger piping, so slower moving air, so lower MAF readings, so less fuel. but since it's actually more air, now being given less fuel, you're leaning out an already incredibly lean tune.
I completely agree! As long as hes driving like a 90 year old, he should be okay. I would get a tune quick bud!
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