sic GT Posted March 3, 2009 Share Posted March 3, 2009 I recently had my VF-52 Installed and tuned at HB Speed. They did an awesome job. I did not clean my K&N dropin filter before I got tuned and decided to clean it today after about a year and a half. The dirt/ grit and small objects in the filter were far worse than I would have imagined. I literally had a huge pile of dirt on my garage floor just from lightly tapping the filter out prior to chemically cleaning it w/ the K&N solution. Question is: After cleaning my filter and reoiling do I need any adjustment to the tune? It should logically have much greater flow now do to being cleaned and freshly oiled so I am wondering if the car will think it's getting a lot more air and thus lean the mixture too much? Any hits on this would be appreciated. Link to comment Share on other sites More sharing options...
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