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2008 Impreza 2.5i 5-door Tuning
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Old 21 Jul 2010, 09:09 PM   #1 (permalink)
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Join Date: Jul 2010
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2008 Impreza 2.5i 5-door Tuning

Hey guys, I have a good old fashioned naturally aspirated 2.5i engine on my 2008 Impreza. What would be the best way (other than turbo or nitrous) to get more bang for my buck? I've done a K&N panel filter but nothing else.

Whilst I'm on the subject - using stock parts from the factory, how much nitrous boost would be safe at 93 octane? Never could find that info either.
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