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riodeverde
Jul 5, 2014, 09:44 AM
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?

ma0641
Jul 5, 2014, 10:29 AM
HDforums.com has loads of info on the K&N installs.