2011-2016 GM 2500HD/3500HD 6.6L LM Duramax Exterior Upgrades

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2011-2016 GM 2500HD/3500HD 6.6L LML Duramax Bed Liners

Bed Liners

2011-2016 GM 2500HD/3500HD 6.6L LML Duramax Bed Racks

Bed Racks

2011-2016 GM 2500HD/3500HD 6.6L LML Duramax Bull Bars

Bull Bars

2011-2016 GM 2500HD/3500HD 6.6L LM Duramax Bumpers

Bumpers

2011-2016 GM 2500HD/3500HD 6.6L LML Duramax Fender Flares

Fender Flares

2011-2016 GM 2500HD/3500HD 6.6L LML Duramax Grilles & Grille Guards

Grilles & Grille Guards

2011-2016 GM 2500HD/3500HD 6.6L LML Duramax Mud Flaps

Mud Flaps

2011-2016 GM 2500HD/3500HD 6.6L LML Duramax Roof Racks

Roof Racks

2011-2016 GM 2500HD/3500HD 6.6L LML Duramax Side Steps

Side Steps

2011-2016 GM 2500HD/3500HD 6.6L LM Duramax Tonneau Covers

Tonneau Covers

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T-Rex 6211270 Laser Billet Grille | 2016-2018 Silverado 1500
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T-Rex 6211270 Laser Billet Grille | 2016-2018 Silverado 1500

T-Rex 6211270 Laser Billet Grille | 2016-2018 Silverado 1500

$304.50
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T-Rex 52211 Upper Class Mesh Grille | 2015-2019 Sierra 2500HD/3500HD
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T-Rex 52211 Upper Class Mesh Grille | 2015-2019 Sierra 2500HD/3500HD

T-Rex 52211 Upper Class Mesh Grille | 2015-2019 Sierra 2500HD/3500HD

$407.50
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T-Rex 6202140 Laser Billet Grille | 2016-2018 Sierra 1500
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T-Rex 6202140 Laser Billet Grille | 2016-2018 Sierra 1500
T-Rex 6202140 Laser Billet Grille | 2016-2018 Sierra 1500

T-Rex 6202140 Laser Billet Grille | 2016-2018 Sierra 1500

$239.50
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T-Rex 6202141 Laser Billet Grille | 2016-2018 Sierra 1500
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T-Rex 6202141 Laser Billet Grille | 2016-2018 Sierra 1500

T-Rex 6202141 Laser Billet Grille | 2016-2018 Sierra 1500

$239.50
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T-Rex 54215 Upper Class Mesh Grille | 2016-2018 Sierra 1500
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T-Rex 54215 Upper Class Mesh Grille | 2016-2018 Sierra 1500

T-Rex 54215 Upper Class Mesh Grille | 2016-2018 Sierra 1500

$744.50
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T-Rex 51133 Upper Class Mesh Grille | 2016-2018 Silverado 1500
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T-Rex 51133 Upper Class Mesh Grille | 2016-2018 Silverado 1500
T-Rex 51133 Upper Class Mesh Grille | 2016-2018 Silverado 1500

T-Rex 51133 Upper Class Mesh Grille | 2016-2018 Silverado 1500

$1,097.50
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T-Rex 51131 Upper Class Mesh Grille | 2016-2018 Silverado 1500
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T-Rex 51131 Upper Class Mesh Grille | 2016-2018 Silverado 1500
T-Rex 51131 Upper Class Mesh Grille | 2016-2018 Silverado 1500

T-Rex 51131 Upper Class Mesh Grille | 2016-2018 Silverado 1500

$1,097.50
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T-Rex 51123 Upper Class Mesh Grille | 2015-2019 Silverado 2500HD/3500HD
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T-Rex 51123 Upper Class Mesh Grille | 2015-2019 Silverado 2500HD/3500HD

T-Rex 51123 Upper Class Mesh Grille | 2015-2019 Silverado 2500HD/3500HD

$1,389.50
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T-Rex 51127 Upper Class Mesh Grille | 2016-2018 Silverado 1500
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T-Rex 51127 Upper Class Mesh Grille | 2016-2018 Silverado 1500
T-Rex 51127 Upper Class Mesh Grille | 2016-2018 Silverado 1500

T-Rex 51127 Upper Class Mesh Grille | 2016-2018 Silverado 1500

$1,189.50
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T-Rex 51117 Upper Class Mesh Grille | 2014-2015 Silverado 1500
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T-Rex 51117 Upper Class Mesh Grille | 2014-2015 Silverado 1500

T-Rex 51117 Upper Class Mesh Grille | 2014-2015 Silverado 1500

$689.50
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T-Rex 51110 Upper Class Mesh Grille | 2007-2013 Silverado 1500
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T-Rex 51110 Upper Class Mesh Grille | 2007-2013 Silverado 1500
T-Rex 51110 Upper Class Mesh Grille | 2007-2013 Silverado 1500

T-Rex 51110 Upper Class Mesh Grille | 2007-2013 Silverado 1500

$589.50
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T-Rex 20208 Horizontal Billet Grille | 2014-2015 Sierra 1500
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T-Rex 20208 Horizontal Billet Grille | 2014-2015 Sierra 1500
T-Rex 20208 Horizontal Billet Grille | 2014-2015 Sierra 1500

T-Rex 20208 Horizontal Billet Grille | 2014-2015 Sierra 1500

$239.50
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Power Lift Shop All

Once you've slapped on tons of power and performance to your 2011-2016 GM 6.6L Duramax LML, it's time to upgrade it's exterior to seriously set your truck apart from the rest. You can give your GM 2500/3500 it's own custom style and appeal with any of the premium exterior parts and upgrades offered here at Alligator Performance. We carry various accessories like aftermarket side steps, fender flares, grilles, mud flaps, roof racks and more so you can outfit your rig with some of the best looking and most aggressive upgrades on the market. You can shop and drive with confidence knowing we only work with the most trusted and reliable names in the business. Once you've finished outfitting your exterior, head over and check out our selection of GM 2500/3500 Wheels & Tires to complete your custom build! GM Duramax Fitments: 2011, 2012, 2013, 2014, 2015, 2016 GM 6.6L Duramax. Submodel Fitments: WT, Custom, LT, LTZ, High Country, 1LT, 2LT, Pro, SLE, SLT, AT4, Denali. Some exceptions apply, please see individual product pages for specific fitments.

GM Duramax>2011-2016 6.6L LML
Side Steps
Fender Flares
Grilles
Mud Flaps
Roof Racks

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