yep. i have a KF too. it goes dead quiet once you have a layer of eva foam on top of the existing flooring. dont bother with ultra dek. the ebay rolls are cheap and basically the same thing minus the laser cutting. just get some heavy duty industrial adhesive in a spray can and periodically every 3-6 months spray the corners if they lift. crab scissors from the grocery store will cut eva foam like butter.
heres mine with eva foam ebay special :