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Undercover Flex

UnderCover Flex - Logo


UnderCover Flex - Main Image


The UnderCover Flex is a hard folding truck bed cover that gives you the ultimate control of your truck bed, offering three secure riding positions. The cover is easy to remove, requires no drilling for installation, and is mounted flush with your trucks bed rails making it the most watertight hard folding cover on the market. The Flex is constructed with heavy-duty FRP panels providing more strength, durability and dent resistance than aluminum panels.


Each Flex has a bed rail mounting system equipped with rubber seals and drain tubes that carry water away from and out of the bed, keeping your gear dry and secure. The Flex is backed by a 3-year warranty making it America's favorite hard folding tonneau cover.



  • Low-Profile Design

  • 100% Bed Access

  • FRP Top Skin Panels

  • Weather Resistant

  • Three Secure Driving Positions

  • Heavy-Duty Construction

  • Easy, No-Drill Install

  • UV Protective Black Finish

  • Made in the USA



UnderCover Flex - Full Bed Access

Full Bed Access

Built-in prop rods secure the cover allowing your truck to be driven with the cover fully open.




UnderCover Flex - Weather Resistant

Weather Resistant

Rubber seals and drain tubes channel water away from and out of the bed.




UnderCover Flex - Heavy Duty Construction

Heavy Duty Construction

The Flex is constructed with heavy-duty FRP panels providing more strength, durability and dent resistance than aluminum panels.




UnderCover Flex - Simple Operation

Simple Operation

Easy-to-use slam latches are mounted on both sides of the cover, allowing the cover to be opened from either side of the truck.







Installation Instructions




Image Description Price
Quantity
UnderCover Flex - FX11000 - 2004-2012 Chevrolet Colorado / GMC Canyon - 5 ft. Bed

UnderCover Flex - FX11000 - 2004-2012 Chevrolet Colorado / GMC Canyon - 5 ft. Bed

OVERSIZE ITEM


Fits:
2004-2012 Chevrolet Colorado - 5 ft. Bed
2004-2012 GMC Canyon - 5 ft. Bed
Item ID: FX11000

$1199.99

Quantity
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UnderCover Flex - FX11002 - 2015-2022 Chevrolet Colorado / GMC Canyon - 5 ft. Bed

UnderCover Flex - FX11002 - 2015-2022 Chevrolet Colorado / GMC Canyon - 5 ft. Bed

OVERSIZE ITEM


Fits:
2015-2021 Chevrolet Colorado - 5 ft. Bed
2015-2021 GMC Canyon - 5 ft. Bed
Item ID: FX11002

$1199.99

Quantity
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UnderCover Flex - FX11005 - 2007-2013 Chevrolet Silverado / GMC Sierra - 5.8 ft. Bed

UnderCover Flex - FX11005 - 2007-2013 Chevrolet Silverado / GMC Sierra - 5.8 ft. Bed

OVERSIZE ITEM


Fits:
2007-2013 Chevrolet Silverado 1500 - 5.8 ft. Bed
2007-2013 GMC Sierra 1500 - 5.8 ft. Bed
(Excludes 2007 Classic)
Item ID: FX11005

$1199.99

Quantity
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UnderCover Flex - FX11006 - 2007-2013 Chevrolet Silverado / GMC Sierra - 5.8 ft. Bed

UnderCover Flex - FX11006 - 2007-2013 Chevrolet Silverado / GMC Sierra - 5.8 ft. Bed

OVERSIZE ITEM


Fits:
2007-2013 Chevrolet Silverado 1500 - 5.8 ft. Bed
2007-2013 GMC Sierra 1500 - 5.8 ft. Bed
(Excludes 2007 Classic)
Item ID: FX11006

$1199.99

Quantity
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UnderCover Flex - FX11012 - 2004-2006 Chevrolet Silverado / GMC Sierra 1500 (2007 Classic) - 5.8 ft. Bed

UnderCover Flex - FX11012 - 2004-2006 Chevrolet Silverado / GMC Sierra 1500 (2007 Classic) - 5.8 ft. Bed

OVERSIZE ITEM


Fits:
2004-2006 Chevrolet Silverado 1500 - 5.8 ft. Bed
2007 Chevrolet Silverado (Classic) 1500 - 5.8 ft. Bed
2004-2006 GMC Sierra 1500 - 5.8 ft. Bed
2007 GMC Sierra 1500 (Classic) - 5.8 ft. Bed
Item ID: FX11012

$1199.99

Quantity
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UnderCover Flex - FX11018 - 2014-2018 Chevrolet Silverado / GMC Sierra (2019 Classic) - 5.8 ft. Bed

UnderCover Flex - FX11018 - 2014-2018 Chevrolet Silverado / GMC Sierra (2019 Classic) - 5.8 ft. Bed

OVERSIZE ITEM


Fits:
2014-2018 Chevrolet Silverado 1500 - 5.8 ft. Bed
2014-2018 GMC Sierra 1500 - 5.8 ft. Bed
Item ID: FX11018

$1199.99

Quantity
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UnderCover Flex - FX11022 - 2019-2024 Chevrolet Silverado / GMC Sierra 1500 - 5.8 ft. Bed

UnderCover Flex - FX11022 - 2019-2024 Chevrolet Silverado / GMC Sierra 1500 - 5.8 ft. Bed

OVERSIZE ITEM


Fits:
2019-2021 Chevrolet Silverado 1500 - 5.8 ft. Bed
2019-2021 GMC Sierra 1500 - 5.8 ft. Bed
Item ID: FX11022

$1199.99

Quantity
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UnderCover Flex - FX21002 - 2004-2014 Ford F-150 - 5.5 ft. Bed

UnderCover Flex - FX21002 - 2004-2014 Ford F-150 - 5.5 ft. Bed

OVERSIZE ITEM


Fits:
2004-2014 Ford F-150 - 5.5 ft. Bed
2006-2009 Lincoln Mark LT - 5.5 ft. Bed
(Excludes 2004 Heritage Edition)

Item ID: FX21002

$1199.99

Quantity
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UnderCover Flex - FX21007 - 1993-2011 Ford Ranger - 6 ft. Bed

UnderCover Flex - FX21007 - 1993-2011 Ford Ranger - 6 ft. Bed

OVERSIZE ITEM


Fits:
1993-2011 Ford Ranger - 6 ft. Bed
(Excludes Flareside)
Item ID: FX21007

$1199.99

Quantity
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UnderCover Flex - FX21019 - 2015-2020 Ford F-150 - 5.5 ft. Bed

UnderCover Flex - FX21019 - 2015-2020 Ford F-150 - 5.5 ft. Bed

OVERSIZE ITEM


Fits:
2015-2022 Ford F-150 - 5.5 ft. Bed
Item ID: FX21019

$1199.99

Quantity
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UnderCover Flex - FX31006 - 2009-2018 Ram 1500 (2019-2024 Classic) - 5.7 ft. Bed

UnderCover Flex - FX31006 - 2009-2018 Ram 1500 (2019-2024 Classic) - 5.7 ft. Bed

OVERSIZE ITEM


Fits:
2009-2010 Dodge Ram 1500 - 5.7 ft. Bed
2011-2018 Ram 1500 - 5.7 ft. Bed
2019 Ram 1500 - 5.7 ft. Bed (Old Body Style)
(Excludes RamBox)

Item ID: FX31006

$1199.99

Quantity
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UnderCover Flex - FX31008 - 2019-2024 Ram 1500 - 5.7 ft. Bed (Without Multi-Function Tailgate)

UnderCover Flex - FX31008 - 2019-2024 Ram 1500 - 5.7 ft. Bed (Without Multi-Function Tailgate)

OVERSIZE ITEM


Fits:
2019-2021 Ram 1500 - 5.7 ft Bed
Item ID: FX31008

$1199.99

Quantity
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UnderCover Flex - FX41002 - 2005-2015 Toyota Tacoma - 5 ft. Bed

UnderCover Flex - FX41002 - 2005-2015 Toyota Tacoma - 5 ft. Bed

OVERSIZE ITEM


Fits:
2005-2015 Toyota Tacoma - 5 ft. Bed
Item ID: FX41002

$1199.99

Quantity
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UnderCover Flex - FX41007 - 2007-2021 Toyota Tundra - 5.5 ft. Bed

UnderCover Flex - FX41007 - 2007-2021 Toyota Tundra - 5.5 ft. Bed

OVERSIZE ITEM


Fits:
2007-2021 Toyota Tundra - 5.5 ft. Bed
Item ID: FX41007

$1199.99

Quantity
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UnderCover Flex - FX41008 - 2007-2021 Toyota Tundra - 5.5 ft. Bed (With Track System)

UnderCover Flex - FX41008 - 2007-2021 Toyota Tundra - 5.5 ft. Bed (With Track System)

OVERSIZE ITEM


Fits:
2007-2021 Toyota Tundra - 5.5 ft. Bed
Item ID: FX41008

$1199.99

Quantity
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UnderCover Flex - FX41014 - 2016-2023 Toyota Tacoma - 5 ft. Bed

UnderCover Flex - FX41014 - 2016-2023 Toyota Tacoma - 5 ft. Bed

OVERSIZE ITEM


Fits:
2016-2021 Toyota Tacoma - 5 ft. Bed
Item ID: FX41014

$1199.99

Quantity
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UnderCover Flex - FX51003 - 2005-2021 Nissan Frontier - 5 ft. Bed

UnderCover Flex - FX51003 - 2005-2021 Nissan Frontier - 5 ft. Bed

OVERSIZE ITEM


Fits:
2005-2021 Nissan Frontier - 5 ft. Bed
Item ID: FX51003

$1199.99

Quantity
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UnderCover Flex - FX51005 - 2004-2015 Nissan Titan - 5.6 ft. Bed

UnderCover Flex - FX51005 - 2004-2015 Nissan Titan - 5.6 ft. Bed

OVERSIZE ITEM


Fits:
2004-2015 Nissan Titan - 5.5 ft. Bed
Item ID: FX51005

$1199.99

Quantity
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UnderCover Flex - FX51009 - 2004-2015 Nissan Titan - 5.6 ft. Bed

UnderCover Flex - FX51009 - 2004-2015 Nissan Titan - 5.6 ft. Bed

OVERSIZE ITEM


Fits:
2004-2015 Nissan Titan - 5.5 ft. Bed
Item ID: FX51009

$1199.99

Quantity
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UnderCover Flex - FX51011 - 2005-2021 Nissan Frontier - 5 ft. Bed

UnderCover Flex - FX51011 - 2005-2021 Nissan Frontier - 5 ft. Bed

OVERSIZE ITEM


Fits:
2005-2021 Nissan Frontier - 5 ft. Bed
Item ID: FX51011

$1199.99

Quantity
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UnderCover Flex - FX11001 - 2004-2012 Chevrolet Colorado / GMC Canyon - 6 ft. Bed

UnderCover Flex - FX11001 - 2004-2012 Chevrolet Colorado / GMC Canyon - 6 ft. Bed

OVERSIZE ITEM


Fits:
2004-2012 Chevrolet Colorado - 6 ft. Bed
2004-2012 GMC Canyon - 6 ft. Bed
Item ID: FX11001

$1249.99

Quantity
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UnderCover Flex - FX11003 - 2015-2022 Chevrolet Colorado / GMC Canyon - 6 ft. Bed

UnderCover Flex - FX11003 - 2015-2022 Chevrolet Colorado / GMC Canyon - 6 ft. Bed

OVERSIZE ITEM


Fits:
2015-2021 Chevrolet Colorado - 6 ft. Bed
2015-2021 GMC Canyon - 6 ft. Bed
Item ID: FX11003

$1249.99

Quantity
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UnderCover Flex - FX11008 - 2007-2013 Chevrolet Silverado / GMC Sierra 1500 / 07-14 HD - 6.5 ft. Bed

UnderCover Flex - FX11008 - 2007-2013 Chevrolet Silverado / GMC Sierra 1500 / 07-14 HD - 6.5 ft. Bed

OVERSIZE ITEM


Fits:
2007-2013 Chevrolet Silverado 1500 - 6.5 ft. Bed
2007-2014 Chevrolet Silverado 2500/3500 - 6.5 ft. Bed
2007-2013 GMC Sierra 1500 - 6.5 ft. Bed
2007-2014 GMC Sierra 2500/3500 - 6.5 ft. Bed
(Excludes 2007 Classic)
Item ID: FX11008

$1249.99

Quantity
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UnderCover Flex - FX11009 - 2007-2013 Chevrolet Silverado / GMC Sierra 1500 / 07-14 HD - 6.5 ft. Bed

UnderCover Flex - FX11009 - 2007-2013 Chevrolet Silverado / GMC Sierra 1500 / 07-14 HD - 6.5 ft. Bed

OVERSIZE ITEM


Fits:
2007-2013 Chevrolet Silverado 1500 - 6.5 ft. Bed
2007-2014 Chevrolet Silverado 2500/3500 - 6.5 ft. Bed
2007-2013 GMC Sierra 1500 - 6.5 ft. Bed
2007-2014 GMC Sierra 2500/3500 - 6.5 ft. Bed
(Excludes 2007 Classic)
Item ID: FX11009

$1249.99

Quantity
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UnderCover Flex - FX11013 - 1999-2006 Chevrolet Silverado / GMC Sierra 1500 / 2001-2006 HD (2007 Classic) - 6.5 ft. Bed

UnderCover Flex - FX11013 - 1999-2006 Chevrolet Silverado / GMC Sierra 1500 / 2001-2006 HD (2007 Classic) - 6.5 ft. Bed

OVERSIZE ITEM


Fits:
1999-2006 Chevrolet Silverado 1500 - 6.5 ft. Bed
2001-2006 Chevrolet Silverado 2500/3500 - 6.5 ft. Bed
2007 Chevrolet Silverado 1500/2500/3500 (Classic) - 6.5 ft. Bed
1999-2006 GMC Sierra 1500 - 6.5 ft. ...

Item ID: FX11013

$1249.99

Quantity
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