Andrew Posted November 5, 2006 Share Posted November 5, 2006 Hi folks, how come whenever i read about air filters on the site they don't seem to be giving any extra HP? The Injen one on this site: http://www.ultimatez.com/shop/?shop=1&c ... 1&cat=182& claims to give 10.6 extra HP! Is this false? I would never buy it just for the sound. If they don't make a difference to HP, why is that? Thanks Andrew Quote Link to comment Share on other sites More sharing options...
M13KYF Posted November 5, 2006 Share Posted November 5, 2006 It is because the ECU is self learning and counter reacts to any performance gains. Quote Link to comment Share on other sites More sharing options...
lomoto Posted November 5, 2006 Share Posted November 5, 2006 dont ever believe makers advertising hype saying that they do sound awesome Quote Link to comment Share on other sites More sharing options...
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