2020-2025 GM 2500HD/3500HD 6.6L L5P Duramax Manifolds & Up-Pipes

Upgrading to aftermarket manifolds and up-pipes on your 2020-2025 GM 6.6L Duramax L5P is a great way to unlock additional power and performance. These high-quality up-pipes replace the restrictive factory components, providing improved exhaust flow and reduced backpressure. The result is lower Exhaust Gas Temperatures (EGTs) and a significant boost in both horsepower and torque for your GM 2500HD/3500HD. GM Duramax Fitments: 2020, 2021, 2022, 2023, 2024, 2025 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. 

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Wehrli 100199 Up Pipe Bolt Kit | 2017-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100199 Up Pipe Bolt Kit | 2017-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Wehrli Custom Fab

Wehrli 100199 Up Pipe Bolt Kit | 2017-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: WCF100199
$58.20
PPE 118062050 Stainless Steel Up-Pipe Gasket Set | 2017-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P
PPE 118062050 Stainless Steel Up-Pipe Gasket Set | 2017-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P

PPE

PPE 118062050 Stainless Steel Up-Pipe Gasket Set | 2017-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P

SKU: PPE118062050
$35.99
PPE 116122000 OEM Length Replacement High Flow Up-Pipes | 2017-2024 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 116122000 OEM Length Replacement High Flow Up-Pipes | 2017-2024 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 116122000 OEM Length Replacement High Flow Up-Pipes | 2017-2024 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 116122000 OEM Length Replacement High Flow Up-Pipes | 2017-2024 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: PPE116122000
$269.99
PPE 116112520 High Flow Black Exhaust Manifolds & Up-Pipes Package | 2017-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 116112520 High Flow Black Exhaust Manifolds & Up-Pipes Package | 2017-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 116112520 High Flow Black Exhaust Manifolds & Up-Pipes Package | 2017-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 116112520 High Flow Black Exhaust Manifolds & Up-Pipes Package | 2017-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 116112520 High Flow Black Exhaust Manifolds & Up-Pipes Package | 2017-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 116112520 High Flow Black Exhaust Manifolds & Up-Pipes Package | 2017-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: PPE116112520
$1,520.99
Wehrli 100624 Stainless Up Pipe Kit with Gaskets 2 inch | 2017-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P
Wehrli 100624 Stainless Up Pipe Kit with Gaskets 2 inch | 2017-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P
Wehrli 100624 Stainless Up Pipe Kit with Gaskets 2 inch | 2017-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P
Wehrli 100624 Stainless Up Pipe Kit with Gaskets 2 inch | 2017-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P

Wehrli Custom Fab

Wehrli 100624 Stainless Up Pipe Kit with Gaskets 2 inch | 2017-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P

SKU: WCF100624
$668.33
PPE 116122010 OEM Replacement Up-Pipe for OEM Exhaust Manifolds | 2017-2024 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P
PPE 116122010 OEM Replacement Up-Pipe for OEM Exhaust Manifolds | 2017-2024 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P
PPE 116122010 OEM Replacement Up-Pipe for OEM Exhaust Manifolds | 2017-2024 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P
PPE 116122010 OEM Replacement Up-Pipe for OEM Exhaust Manifolds | 2017-2024 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P

PPE

PPE 116122010 OEM Replacement Up-Pipe for OEM Exhaust Manifolds | 2017-2024 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P

SKU: PPE116122010
$134.99
PPE 118062012 Standard Port Stainless Steel Exhaust Manifold Set | 2017-2024 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 118062012 Standard Port Stainless Steel Exhaust Manifold Set | 2017-2024 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 118062012 Standard Port Stainless Steel Exhaust Manifold Set | 2017-2024 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: PPE118062012
$26.99
Wehrli 100226 Billet Exhaust Manifold & Up Pipe Kit | 2017-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100226 Billet Exhaust Manifold & Up Pipe Kit | 2017-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100226 Billet Exhaust Manifold & Up Pipe Kit | 2017-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100226 Billet Exhaust Manifold & Up Pipe Kit | 2017-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100226 Billet Exhaust Manifold & Up Pipe Kit | 2017-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100226 Billet Exhaust Manifold & Up Pipe Kit | 2017-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Wehrli Custom Fab

Wehrli 100226 Billet Exhaust Manifold & Up Pipe Kit | 2017-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: WCF100226
$2,094.23
Wehrli 100373 Billet Exhaust Manifolds | 2017-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P
Wehrli 100373 Billet Exhaust Manifolds | 2017-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P
Wehrli 100373 Billet Exhaust Manifolds | 2017-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P
Wehrli 100373 Billet Exhaust Manifolds | 2017-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P
Wehrli 100373 Billet Exhaust Manifolds | 2017-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P

Wehrli Custom Fab

Wehrli 100373 Billet Exhaust Manifolds | 2017-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P

SKU: WCF100373
$1,526.78
PPE 116112535 High Flow Silver Ceamic Exhaust Manifolds & Up-Pipes Package | 2017-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 116112535 High Flow Silver Ceamic Exhaust Manifolds & Up-Pipes Package | 2017-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 116112535 High Flow Silver Ceamic Exhaust Manifolds & Up-Pipes Package | 2017-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 116112535 High Flow Silver Ceamic Exhaust Manifolds & Up-Pipes Package | 2017-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 116112535 High Flow Silver Ceamic Exhaust Manifolds & Up-Pipes Package | 2017-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: PPE116112535
$1,520.99
PPE 116112500HD High Flow Raw Exhaust Manifolds & Up-Pipes Package | 2017-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 116112500HD High Flow Raw Exhaust Manifolds & Up-Pipes Package | 2017-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 116112500HD High Flow Raw Exhaust Manifolds & Up-Pipes Package | 2017-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 116112500HD High Flow Raw Exhaust Manifolds & Up-Pipes Package | 2017-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 116112500HD High Flow Raw Exhaust Manifolds & Up-Pipes Package | 2017-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 116112500HD High Flow Raw Exhaust Manifolds & Up-Pipes Package | 2017-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: PPE116112500
$1,349.99

2020-2025 6.6L Silverado & Sierra 2500HD/3500HD

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