I have a 2007 Soft Tail with Cycle Shack slip-on mufflers. I want to swap out the stock air filter for a K&N brand. The tech at HD insists I will need to spend hundreds to now have my EFI remapped. Any feedback?
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I have a 2007 Soft Tail with Cycle Shack slip-on mufflers. I want to swap out the stock air filter for a K&N brand. The tech at HD insists I will need to spend hundreds to now have my EFI remapped. Any feedback?
HDforums.com has loads of info on the K&N installs.
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