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Replacement and OEM Parts for 2021 GMC Sierra 3500 HD Exhaust Extension Pipe

2021 GMC Sierra 3500 HD Exhaust Extension Pipe

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2021 GMC Sierra 3500 HD
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Exhaust Manifolds, Pipes & Mufflers
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  • OEM 2021 GMC Sierra 3500 HD Tailpipe Extension Diagram - 84521837
    View Related Parts

    OEM (Genuine) 2021 GMC Sierra 3500 HD Tailpipe Extension

    PartNumber: 84521837
    OEM 2021 GMC Sierra 3500 HD Tailpipe Extension - 84521837
    Product Specifications
    • Notes: 6.6 Liter Gas, Dual Outlet
    • Other Names: Tailpipe Extension
    • Material: Stainless Steel
    • Fitment Type: Direct Replacement
    • Product Grade: Performance Parts
    • Part Description: 2021 GMC Sierra 3500 HD Tailpipe Extension
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L GAS
    $285.91 MSRP: $345.00
    You Save: $59.09 (18%)
  • OEM 2021 GMC Sierra 3500 HD Tailpipe Extension Diagram - 84722772
    View Related Parts

    OEM (Genuine) 2021 GMC Sierra 3500 HD Tailpipe Extension

    PartNumber: 84722772
    OEM 2021 GMC Sierra 3500 HD Tailpipe Extension - 84722772
    Product Specifications
    • Notes: 6.6 Liter Gas, Single Outlet, Chrome
    • Other Names: Tailpipe Extension
    • Item Dimensions: 13.7 x 6.8 x 6.2 inches
    • Item Weight: 4.20 Pounds
    • Material: Stainless Steel
    • Fitment Type: Direct Replacement
    • Replaces: 84486314
    • Product Grade: Performance Parts
    • Part Description: 2021 GMC Sierra 3500 HD Tailpipe Extension
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L GAS
    $111.29 MSRP: $140.00
    You Save: $28.71 (21%)
  • OEM 2021 GMC Sierra 3500 HD Tailpipe Extension Diagram - 84521824
    View Related Parts

    OEM (Genuine) 2021 GMC Sierra 3500 HD Tailpipe Extension

    PartNumber: 84521824
    OEM 2021 GMC Sierra 3500 HD Tailpipe Extension - 84521824
    Product Specifications
    • Notes: 6.6 Liter Gas, Single Outlet, Black
    • Other Names: Tailpipe Extension
    • Item Dimensions: 13.4 x 6.7 x 6.1 inches
    • Item Weight: 3.70 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 84520928
    • Product Grade: Performance Parts
    • Part Description: 2021 GMC Sierra 3500 HD Tailpipe Extension
    More Info
    Vehicle Fitment
    • 2021 GMC Sierra 3500 HD | AT4, Base, Denali, SLE, SLT | 8 Cyl 6.6 L GAS