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2020-2024 GM 2500HD/3500HD 6.6L L5P Duramax Exterior Upgrades

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2020-2024 GM 2500HD/3500HD 6.6L L5P Duramax Bed Liners

Bed Liners

2020-2024 GM 2500HD/3500HD 6.6L L5P Duramax Bed Racks

Bed Racks

2020-2024 GM 2500HD/3500HD 6.6L L5P Duramax Bull Bars

Bull Bars

2020-2024 GM 2500HD/3500HD 6.6L L5P Duramax Bumpers

Bumpers

2020-2024 GM 2500HD/3500HD 6.6L L5P Duramax Fender Flares

Fender Flares

2020-2024 GM 2500HD/3500HD 6.6L L5P Duramax Mud Flaps

Mud Flaps

2020-2024 GM 2500HD/3500HD 6.6L L5P Duramax Roof Racks

Roof Racks

2020-2024 GM 2500HD/3500HD 6.6L L5P Duramax Side Steps

Side Steps

2020-2024 GM 2500HD/3500HD 6.6L L5P Duramax Tonneau Covers

Tonneau Covers

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If you've already added on powerful performance mods to your 2020-2024 GM 2500HD/3500HD 6.6L Duramax, it's time to take it's style and functionality to the next level with some premium exterior upgrades. At Alligator Performance, we offer a wide range of aftermarket exterior parts, including side steps, fender flares, grilles, mud flaps, and roof racks, all designed to enhance both the look and utility of your GM Sierra or Silverado 2500HD/3500HD. Whether you're looking to boost your truck's rugged aesthetic with bold fender flares or improve its practicality with a durable roof rack, we have the perfect upgrades to set your truck apart from the crowd. Combine these accessories with some Lighting Upgrades and Suspension Components to create a fully customized, adventure-ready truck that looks as tough as it performs. GM Duramax Fitments: 2020, 2021, 2022, 2023, 2024 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>2020-2024 6.6L L5P

Side Steps
Fender Flares
Mud Flaps

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