Seller notes

Pro Design Pro Flow Air filter Intake Kit KN K&N Yamaha YFZ450 YFZ450R YFZ 450X Brand New Pro Design K&N Pro-Flow Kit Yamaha YFZ450 / YFZ450R / YFZ450X Years 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 Pro Design air box filter kits replace your faulty and restrictive stock filter and adapter to give you the performance you want.  Your filter can now remain in place without the restriction inherent with the stock mounting lid.  Kit I...

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