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

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 LML Duramax Bumpers

Bumpers

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 Side Steps

Side Steps

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

Tonneau Covers

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BAK Industries 80102 Revolver X4s Hard Rolling Cover | 1988-2013 GM Silverado/Sierra 1500/2500HD/3500HD Long Bed
BAK Industries 80102 Revolver X4s Hard Rolling Cover | 1988-2013 GM Silverado/Sierra 1500/2500HD/3500HD Long Bed
BAK Industries 80102 Revolver X4s Hard Rolling Cover | 1988-2013 GM Silverado/Sierra 1500/2500HD/3500HD Long Bed
BAK Industries 80102 Revolver X4s Hard Rolling Cover | 1988-2013 GM Silverado/Sierra 1500/2500HD/3500HD Long Bed
BAK Industries 80102 Revolver X4s Hard Rolling Cover | 1988-2013 GM Silverado/Sierra 1500/2500HD/3500HD Long Bed

BAK Industries

BAK Industries 80102 Revolver X4s Hard Rolling Cover | 1988-2013 GM Silverado/Sierra 1500/2500HD/3500HD Long Bed

SKU: BAK80102
$1,449.99
BAK Industries 80101 Revolver X4s Hard Rolling Cover | 1988-2013 GM Silverado/Sierra 2500HD/3500HD Short Bed
BAK Industries 80101 Revolver X4s Hard Rolling Cover | 1988-2013 GM Silverado/Sierra 2500HD/3500HD Short Bed
BAK Industries 80101 Revolver X4s Hard Rolling Cover | 1988-2013 GM Silverado/Sierra 2500HD/3500HD Short Bed
BAK Industries 80101 Revolver X4s Hard Rolling Cover | 1988-2013 GM Silverado/Sierra 2500HD/3500HD Short Bed
BAK Industries 80101 Revolver X4s Hard Rolling Cover | 1988-2013 GM Silverado/Sierra 2500HD/3500HD Short Bed

BAK Industries

BAK Industries 80101 Revolver X4s Hard Rolling Cover | 1988-2013 GM Silverado/Sierra 2500HD/3500HD Short Bed

SKU: BAK80101
$1,379.99
S&B 84-1000 Mud Flaps for 2.0" inch Hitch Receivers | Universal
S&B 84-1000 Mud Flaps for 2.0" inch Hitch Receivers | Universal
S&B 84-1000 Mud Flaps for 2.0" inch Hitch Receivers | Universal
S&B 84-1000 Mud Flaps for 2.0" inch Hitch Receivers | Universal
S&B 84-1000 Mud Flaps for 2.0" inch Hitch Receivers | Universal

S&B Filters

S&B 84-1000 Mud Flaps for 2.0" inch Hitch Receivers | Universal

SKU: SAB84-1000
$349
S&B 84-1002 Mud Flaps for 3.0" inch Hitch Receivers | Universal
S&B 84-1002 Mud Flaps for 3.0" inch Hitch Receivers | Universal
S&B 84-1002 Mud Flaps for 3.0" inch Hitch Receivers | Universal
S&B 84-1002 Mud Flaps for 3.0" inch Hitch Receivers | Universal
S&B 84-1002 Mud Flaps for 3.0" inch Hitch Receivers | Universal

S&B Filters

S&B 84-1002 Mud Flaps for 3.0" inch Hitch Receivers | Universal

SKU: SAB84-1002
$349
Rough Country SRB071785 HD2 Cab Length Running Boards | 2007-2019 GM Silverado/Sierra 2500HD/3500HD Crew Cab
Rough Country SRB071785 HD2 Cab Length Running Boards | 2007-2019 GM Silverado/Sierra 2500HD/3500HD Crew Cab
Rough Country SRB071785 HD2 Cab Length Running Boards | 2007-2019 GM Silverado/Sierra 2500HD/3500HD Crew Cab
Rough Country SRB071785 HD2 Cab Length Running Boards | 2007-2019 GM Silverado/Sierra 2500HD/3500HD Crew Cab
Rough Country SRB071785 HD2 Cab Length Running Boards | 2007-2019 GM Silverado/Sierra 2500HD/3500HD Crew Cab

Rough Country

Rough Country SRB071785 HD2 Cab Length Running Boards | 2007-2019 GM Silverado/Sierra 2500HD/3500HD Crew Cab

SKU: RCSSRB071785
$379.95
Rough Country SRB071777 HD2 Cab Length Running Boards | 2007-2019 GM Silverado/Sierra 1500/2500HD/3500HD Extended Cab
Rough Country SRB071777 HD2 Cab Length Running Boards | 2007-2019 GM Silverado/Sierra 1500/2500HD/3500HD Extended Cab
Rough Country SRB071777 HD2 Cab Length Running Boards | 2007-2019 GM Silverado/Sierra 1500/2500HD/3500HD Extended Cab
Rough Country SRB071777 HD2 Cab Length Running Boards | 2007-2019 GM Silverado/Sierra 1500/2500HD/3500HD Extended Cab
Rough Country SRB071777 HD2 Cab Length Running Boards | 2007-2019 GM Silverado/Sierra 1500/2500HD/3500HD Extended Cab

Rough Country

Rough Country SRB071777 HD2 Cab Length Running Boards | 2007-2019 GM Silverado/Sierra 1500/2500HD/3500HD Extended Cab

SKU: RCSSRB071777
$379.95
Kleinn HK7 Pro Blaster Triple Train Horn Kit with 150PSI 100% Duty Onboard Air System | Universal
Kleinn HK7 Pro Blaster Triple Train Horn Kit with 150PSI 100% Duty Onboard Air System | Universal
Kleinn HK7 Pro Blaster Triple Train Horn Kit with 150PSI 100% Duty Onboard Air System | Universal

Kleinn Automotive Air Horns

Kleinn HK7 Pro Blaster Triple Train Horn Kit with 150PSI 100% Duty Onboard Air System | Universal

SKU: KLNHK7
$839.95
Wehrli 100041-FB Billet TIG Torch Stubby Antenna | 2007.5-2026 GM Silverado/Sierra 2500HD/3500HD
Wehrli 100041-FB Billet TIG Torch Stubby Antenna | 2007.5-2026 GM Silverado/Sierra 2500HD/3500HD
Wehrli 100041-FB Billet TIG Torch Stubby Antenna | 2007.5-2026 GM Silverado/Sierra 2500HD/3500HD
Wehrli 100041-FB Billet TIG Torch Stubby Antenna | 2007.5-2026 GM Silverado/Sierra 2500HD/3500HD
Wehrli 100041-FB Billet TIG Torch Stubby Antenna | 2007.5-2026 GM Silverado/Sierra 2500HD/3500HD

Wehrli Custom Fab

Wehrli 100041-FB Billet TIG Torch Stubby Antenna | 2007.5-2026 GM Silverado/Sierra 2500HD/3500HD

SKU: WCF100041-FB-GB
From $59.17
Husky 56796 Front and Rear HD Mud Guard Set | 2007-2014 GM Silverado 2500HD/3500HD
Husky 56796 Front and Rear HD Mud Guard Set | 2007-2014 GM Silverado 2500HD/3500HD
Husky 56796 Front and Rear HD Mud Guard Set | 2007-2014 GM Silverado 2500HD/3500HD

Husky Liners

Husky 56796 Front and Rear HD Mud Guard Set | 2007-2014 GM Silverado 2500HD/3500HD

SKU: HUS56796
$119.99
Husky 57891 Rear Mud Guards | 2014-2019 GMC Sierra 2500HD/3500HD
Husky 57891 Rear Mud Guards | 2014-2019 GMC Sierra 2500HD/3500HD
Husky 57891 Rear Mud Guards | 2014-2019 GMC Sierra 2500HD/3500HD
Husky 57891 Rear Mud Guards | 2014-2019 GMC Sierra 2500HD/3500HD

Husky Liners

Husky 57891 Rear Mud Guards | 2014-2019 GMC Sierra 2500HD/3500HD

SKU: HUS57891
$59.99
Husky 57881 Rear Mud Guards | 2014-2019 GM Silverado 2500HD/3500HD
Husky 57881 Rear Mud Guards | 2014-2019 GM Silverado 2500HD/3500HD
Husky 57881 Rear Mud Guards | 2014-2019 GM Silverado 2500HD/3500HD

Husky Liners

Husky 57881 Rear Mud Guards | 2014-2019 GM Silverado 2500HD/3500HD

SKU: HUS57881
$59.99
Husky 56891 Front Mud Guards | 2015-2019 GMC Sierra 2500HD/3500HD w/o Fender Flares
Husky 56891 Front Mud Guards | 2015-2019 GMC Sierra 2500HD/3500HD w/o Fender Flares
Husky 56891 Front Mud Guards | 2015-2019 GMC Sierra 2500HD/3500HD w/o Fender Flares

Husky Liners

Husky 56891 Front Mud Guards | 2015-2019 GMC Sierra 2500HD/3500HD w/o Fender Flares

SKU: HUS56891
$59.99
AMP Research 78154-01A PowerStep Extreme Running Boards | 2014-2019 GM Silverado/Sierra 2500HD/3500HD
AMP Research 78154-01A PowerStep Extreme Running Boards | 2014-2019 GM Silverado/Sierra 2500HD/3500HD
AMP Research 78154-01A PowerStep Extreme Running Boards | 2014-2019 GM Silverado/Sierra 2500HD/3500HD

AMP Research

AMP Research 78154-01A PowerStep Extreme Running Boards | 2014-2019 GM Silverado/Sierra 2500HD/3500HD

SKU: AMP78154-01A
$2,199.99
Go Rhino 20405187PC E1 Electric Running Board Kit (Black) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD Crew Cab
Go Rhino 20405187PC E1 Electric Running Board Kit (Black) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD Crew Cab
Go Rhino 20405187PC E1 Electric Running Board Kit (Black) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD Crew Cab
Go Rhino 20405187PC E1 Electric Running Board Kit (Black) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD Crew Cab
Go Rhino 20405187PC E1 Electric Running Board Kit (Black) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD Crew Cab

Go Rhino

Go Rhino 20405187PC E1 Electric Running Board Kit (Black) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD Crew Cab

SKU: RHI20405187PC
$1,399.99
Go Rhino 20405187T E1 Electric Running Board Kit (Bedliner) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD Crew Cab
Go Rhino 20405187T E1 Electric Running Board Kit (Bedliner) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD Crew Cab
Go Rhino 20405187T E1 Electric Running Board Kit (Bedliner) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD Crew Cab
Go Rhino 20405187T E1 Electric Running Board Kit (Bedliner) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD Crew Cab
Go Rhino 20405187T E1 Electric Running Board Kit (Bedliner) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD Crew Cab

Go Rhino

Go Rhino 20405187T E1 Electric Running Board Kit (Bedliner) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD Crew Cab

SKU: RHI20405187T
$1,499.99
Go Rhino 20404280PC E1 Electric Running Board Kit (Black) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD Extended Cab
Go Rhino 20404280PC E1 Electric Running Board Kit (Black) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD Extended Cab
Go Rhino 20404280PC E1 Electric Running Board Kit (Black) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD Extended Cab
Go Rhino 20404280PC E1 Electric Running Board Kit (Black) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD Extended Cab
Go Rhino 20404280PC E1 Electric Running Board Kit (Black) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD Extended Cab

Go Rhino

Go Rhino 20404280PC E1 Electric Running Board Kit (Black) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD Extended Cab

SKU: RHI20404280PC
$1,399.99
Go Rhino 20404280T E1 Electric Running Board Kit (Bedliner) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD Extended Cab
Go Rhino 20404280T E1 Electric Running Board Kit (Bedliner) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD Extended Cab
Go Rhino 20404280T E1 Electric Running Board Kit (Bedliner) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD Extended Cab
Go Rhino 20404280T E1 Electric Running Board Kit (Bedliner) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD Extended Cab
Go Rhino 20404280T E1 Electric Running Board Kit (Bedliner) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD Extended Cab

Go Rhino

Go Rhino 20404280T E1 Electric Running Board Kit (Bedliner) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD Extended Cab

SKU: RHI20404280T
$1,499.99
Wehrli 100369-FTB Lower Valance Filler Panel w/o Tow Hook Cutouts -Fine Textured Black | 2011-2014 GM Silverado 2500HD/3500HD
Wehrli 100369-FTB Lower Valance Filler Panel w/o Tow Hook Cutouts -Fine Textured Black | 2011-2014 GM Silverado 2500HD/3500HD
Wehrli 100369-FTB Lower Valance Filler Panel w/o Tow Hook Cutouts -Fine Textured Black | 2011-2014 GM Silverado 2500HD/3500HD
Wehrli 100369-FTB Lower Valance Filler Panel w/o Tow Hook Cutouts -Fine Textured Black | 2011-2014 GM Silverado 2500HD/3500HD
Wehrli 100369-FTB Lower Valance Filler Panel w/o Tow Hook Cutouts -Fine Textured Black | 2011-2014 GM Silverado 2500HD/3500HD

Wehrli Custom Fab

Wehrli 100369-FTB Lower Valance Filler Panel w/o Tow Hook Cutouts -Fine Textured Black | 2011-2014 GM Silverado 2500HD/3500HD

SKU: WCF100369-FTB
$266.75
Wehrli 100368-FTB Lower Valance Filler Panel with Tow Hook Cutouts -Fine Textured Black | 2011-2014 GM Silverado 2500HD/3500HD
Wehrli 100368-FTB Lower Valance Filler Panel with Tow Hook Cutouts -Fine Textured Black | 2011-2014 GM Silverado 2500HD/3500HD
Wehrli 100368-FTB Lower Valance Filler Panel with Tow Hook Cutouts -Fine Textured Black | 2011-2014 GM Silverado 2500HD/3500HD
Wehrli 100368-FTB Lower Valance Filler Panel with Tow Hook Cutouts -Fine Textured Black | 2011-2014 GM Silverado 2500HD/3500HD
Wehrli 100368-FTB Lower Valance Filler Panel with Tow Hook Cutouts -Fine Textured Black | 2011-2014 GM Silverado 2500HD/3500HD

Wehrli Custom Fab

Wehrli 100368-FTB Lower Valance Filler Panel with Tow Hook Cutouts -Fine Textured Black | 2011-2014 GM Silverado 2500HD/3500HD

SKU: WCF100368-FTB
$266.75
Wehrli 100285 Bumper Grille | 2011-2014 GM Silverado 2500HD/3500HD
Wehrli 100285 Bumper Grille | 2011-2014 GM Silverado 2500HD/3500HD
Wehrli 100285 Bumper Grille | 2011-2014 GM Silverado 2500HD/3500HD
Wehrli 100285 Bumper Grille | 2011-2014 GM Silverado 2500HD/3500HD
Wehrli 100285 Bumper Grille | 2011-2014 GM Silverado 2500HD/3500HD

Wehrli Custom Fab

Wehrli 100285 Bumper Grille | 2011-2014 GM Silverado 2500HD/3500HD

SKU: WCF100285
$140.65
Husky 56886 Front and Rear Mud Guard Set | 2015-2019 GM Silverado 2500HD/3500HD
IN STOCK
Husky 56886 Front and Rear Mud Guard Set | 2015-2019 GM Silverado 2500HD/3500HD
Husky 56886 Front and Rear Mud Guard Set | 2015-2019 GM Silverado 2500HD/3500HD
Husky 56886 Front and Rear Mud Guard Set | 2015-2019 GM Silverado 2500HD/3500HD
Husky 56886 Front and Rear Mud Guard Set | 2015-2019 GM Silverado 2500HD/3500HD

Husky Liners

Husky 56886 Front and Rear Mud Guard Set | 2015-2019 GM Silverado 2500HD/3500HD

SKU: HUS56886
$119.99
T-Rex 25211B Billet Lower Bumper Grill | 2015-2019 GMC Sierra 2500HD/3500HD
T-Rex 25211B Billet Lower Bumper Grill | 2015-2019 GMC Sierra 2500HD/3500HD
T-Rex 25211B Billet Lower Bumper Grill | 2015-2019 GMC Sierra 2500HD/3500HD

T-Rex Grilles

T-Rex 25211B Billet Lower Bumper Grill | 2015-2019 GMC Sierra 2500HD/3500HD

SKU: TRX25211B
$125.71
AMP Research 77154-01A PowerStep XL | 2015-2019 GM Silverado/Sierra 2500HD/3500HD
AMP Research 77154-01A PowerStep XL | 2015-2019 GM Silverado/Sierra 2500HD/3500HD
AMP Research 77154-01A PowerStep XL | 2015-2019 GM Silverado/Sierra 2500HD/3500HD
AMP Research 77154-01A PowerStep XL | 2015-2019 GM Silverado/Sierra 2500HD/3500HD
AMP Research 77154-01A PowerStep XL | 2015-2019 GM Silverado/Sierra 2500HD/3500HD

AMP Research

AMP Research 77154-01A PowerStep XL | 2015-2019 GM Silverado/Sierra 2500HD/3500HD

SKU: AMP77154-01A
$2,299.99
AMP Research 76147-01A Power Step | 2015-2016 GM Silverado/Sierra 2500HD/3500HD
AMP Research 76147-01A Power Step | 2015-2016 GM Silverado/Sierra 2500HD/3500HD
AMP Research 76147-01A Power Step | 2015-2016 GM Silverado/Sierra 2500HD/3500HD

AMP Research

AMP Research 76147-01A Power Step | 2015-2016 GM Silverado/Sierra 2500HD/3500HD

SKU: AMP76147-01A
$1,849.99

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DIESEL TRUCK EXPERTS STANDING BY

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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