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#292: 09-08-2012, 04:12 AM
 
 Leviman
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Title: Contributor
Location: Alaska
Car: '06 2.5i Legacy, '05 OBXT
Posts: 417
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When I pulled mine off my 2.5i (not sure how that stacks up vs the turbo cars) it felt slower in the lower end, also a friend following me told me I had black smoke when I floored it (bogging like no other). I have a fairly mild tune on it (little more fuel and timing in the low end, feels better, even A/Bing it), but not that severe. It makes me think it tells the MAF that it's sucking more air than it really is. I should have logged it. Reminds me of the same thing that people trying to do a cold air intake say.