UnderCover 2021+ Ford F-150 Crew Cab 5.5ft Flex Bed Cover 2005-2012 Elise K&N's easy-to-install performance air box

K&N's easy-to-install performance air box replaces the restrictive factory air filter and air intake housing delivering a guaranteed power gain

EXCEPT ZL1

7L Ford Diesel (Full Time Operation 8-10PSI)

17 static colors

A great alternative to mud flaps or covers

UnderCover 2021+ Ford F-150 Crew Cab 5.5ft Flex Bed Cover 2005-2012 Elise K&N's easy-to-install performance air boxIntroducing the next generation of folding covers the UnderCover Flex folding cover. Flex combines the best of both worlds, the security of a hard locking cover and convenience of a soft roll up cover. Constructed from the best materials available, Flex will withstand the abuse Mother Nature throws at it and keep coming back for more. Low Profile Ultra low profile design rests inside the bed rails allowing for a very sleek look. Full Access Built in