2011-2016 GM 2500HD/3500HD 6.6L LML Duramax Exhaust Manifolds & Up-Pipes

Boost the performance of your 2011-2016 GM 6.6L with a high-quality exhaust manifold from Alligator Performance. Our exhaust manifolds are designed to deliver noticeable gains in horsepower, torque and reducing back pressure. Enhance throttle response and unlocking the full potential of your 6.6L Duramax. Choose from a variety of styles, whether you’re looking for increased low-end power with a single-scroll manifold or top-end performance with a twin-scroll design. Discover the perfect match for your GM at Alligator Performance. Further enhance your diesels performance with Engine Upgrades! 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
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PPE 118062030 Up-Pipe Gasket Set | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 118062030 Up-Pipe Gasket Set | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 118062030 Up-Pipe Gasket Set | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Price
$26.99
Wehrli 100240 Up Pipe Bolt Kit | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100240 Up Pipe Bolt Kit | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Wehrli Custom Fab

Wehrli 100240 Up Pipe Bolt Kit | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Price
$35.89
PPE 116110100 Bolt Set for PPE Manifolds M10-1.50x35 | 2001-2016 GM 2500HD/3500HD 6.6L Duramax
PPE 116110100 Bolt Set for PPE Manifolds M10-1.50x35 | 2001-2016 GM 2500HD/3500HD 6.6L Duramax

PPE

PPE 116110100 Bolt Set for PPE Manifolds M10-1.50x35 | 2001-2016 GM 2500HD/3500HD 6.6L Duramax

Price
$17.99
Merchant 10232 Exhaust Manifold Up Pipe Bolt Kit | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Merchant 10232 Exhaust Manifold Up Pipe Bolt Kit | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Merchant Automotive

Merchant 10232 Exhaust Manifold Up Pipe Bolt Kit | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Price
$16.72
PPE 118062010 Manifold Standard Port Gaskets | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
5.0
PPE 118062010 Manifold Standard Port Gaskets | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 118062010 Manifold Standard Port Gaskets | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Price
$19.79
Mahle F31903 Exhaust Manifold To Up-Pipe Gasket | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Mahle F31903 Exhaust Manifold To Up-Pipe Gasket | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Mahle

Mahle F31903 Exhaust Manifold To Up-Pipe Gasket | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Sale price
$7.67
Regular price
$17.59
Wehrli 100363 Billet Exhaust Manifolds | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100363 Billet Exhaust Manifolds | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Wehrli Custom Fab

Wehrli 100363 Billet Exhaust Manifolds | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Price
$1,357.03
PPE 116119500 Replacement Passenger Side Up-Pipe for Exhaust Manifolds | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML
PPE 116119500 Replacement Passenger Side Up-Pipe for Exhaust Manifolds | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

PPE

PPE 116119500 Replacement Passenger Side Up-Pipe for Exhaust Manifolds | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Price
$359.99
PPE 116016000 Heat Shield Set for High-Flow Manifolds | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 116016000 Heat Shield Set for High-Flow Manifolds | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 116016000 Heat Shield Set for High-Flow Manifolds | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Price
$251.99
Merchant 98002804 Exhaust Manifold Gasket | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Merchant 98002804 Exhaust Manifold Gasket | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Merchant Automotive

Merchant 98002804 Exhaust Manifold Gasket | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Price
$37.72
PPE 118062020 Manifold Oversize Port Gaskets | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 118062020 Manifold Oversize Port Gaskets | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 118062020 Manifold Oversize Port Gaskets | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Price
$19.79
PPE 116119045 Replacement Driver Side Up-Pipe for PPE Exhaust Manifold | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 116119045 Replacement Driver Side Up-Pipe for PPE Exhaust Manifold | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 116119045 Replacement Driver Side Up-Pipe for PPE Exhaust Manifold | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Price
$224.99

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2011-2016 6.6L Silverado & Sierra 2500HD/3500HD

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