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I bought a tuneboy and finally got the tune exactly the way I want it. Now I'm thinking a K & N air filter might open up some additional power. Thing is: how's this gonna affect my current tune. It took me quite a bit of tinkering to get it the way I want it. Now I almost hate to fiddle with it again.
Has anyone seen a noticeable difference in power once the K & N air filter was added? Is it worth purchasing?
- John
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