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

In the search for additional power, the restrictive factory downpipes should be high up on your list to replace and upgrade on your 2011-2016 GM 6.6L Duramax. Our selection of downpipe kits is an easy way to give your 2500HD/3500HD GM Truck an aggressive exhaust note while improving its power, torque, and fuel economy along the way. These kits also help slightly drop EGTs to help maintain controllable temperatures on your truck without compromise. Choose from the entire selection of downpipes to get the exact look and sound your tough GM truck and start showing off your performance mods with confidence. Pair your high-performing downpipe with our selection of Single-Exit Exhaust or Dual-Exit Exhaust. 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 117000360 Gasket for Lower Downpipe Flange | 2001-2014 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 117000360 Gasket for Lower Downpipe Flange | 2001-2014 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 117000360 Gasket for Lower Downpipe Flange | 2001-2014 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Price
$6.29
PPE 117000700 3 inch Downpipe | 2015.5-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
4.0
PPE 117000700 3 inch Downpipe | 2015.5-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 117000700 3 inch Downpipe | 2015.5-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Sale price
$161.99
Regular price
$179.99
PPE 116110510 Down-Pipe Support Bracket | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 116110510 Down-Pipe Support Bracket | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 116110510 Down-Pipe Support Bracket | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Price
$22.49
PPE 117000600 3 inch Stainless Steel Downpipe | 2011-2015 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 117000600 3 inch Stainless Steel Downpipe | 2011-2015 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 117000600 3 inch Stainless Steel Downpipe | 2011-2015 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Price
$152.99
PPE 116110505 Down-Pipe Support Bracket for OEM Length Up-Pipes | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 116110505 Down-Pipe Support Bracket for OEM Length Up-Pipes | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 116110505 Down-Pipe Support Bracket for OEM Length Up-Pipes | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Price
$31.49
MBRP GM8427 3 inch Turbo Down Pipe | 2011-2015 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
5.0
MBRP GM8427 3 inch Turbo Down Pipe | 2011-2015 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

MBRP Exhaust

MBRP GM8427 3 inch Turbo Down Pipe | 2011-2015 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Price
$264.99
MBRP GM8428 Turbocharger Down Pipe | 2015-2016 GM Silverado/Sierra 2500HD & 3500HD
MBRP GM8428 Turbocharger Down Pipe | 2015-2016 GM Silverado/Sierra 2500HD & 3500HD

MBRP Exhaust

MBRP GM8428 Turbocharger Down Pipe | 2015-2016 GM Silverado/Sierra 2500HD & 3500HD

Price
$269.99
Wehrli 100121 3 inch V-Band Style Down Pipe | 2011-2015 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML
Wehrli 100121 3 inch V-Band Style Down Pipe | 2011-2015 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Wehrli Custom Fab

Wehrli 100121 3 inch V-Band Style Down Pipe | 2011-2015 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Price
$222.13
MBRP GMCA428 3 inch CARB Approved Turbo Down Pipe | 2015-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
MBRP GMCA428 3 inch CARB Approved Turbo Down Pipe | 2015-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

MBRP Exhaust

MBRP GMCA428 3 inch CARB Approved Turbo Down Pipe | 2015-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Price
$269.99
PPE 116005062 Extended Down-Pipe | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 116005062 Extended Down-Pipe | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 116005062 Extended Down-Pipe | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Price
$179.99
Wehrli 100704 3 inch Stainless Turbo Downpipe | 2011-2015 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML
Wehrli 100704 3 inch Stainless Turbo Downpipe | 2011-2015 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Wehrli Custom Fab

Wehrli 100704 3 inch Stainless Turbo Downpipe | 2011-2015 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Price
$251.23
Wehrli 100705 3 inch Stainless 3 Bolt Flange Style Down Pipe | 2015.5-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML
Wehrli 100705 3 inch Stainless 3 Bolt Flange Style Down Pipe | 2015.5-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Wehrli Custom Fab

Wehrli 100705 3 inch Stainless 3 Bolt Flange Style Down Pipe | 2015.5-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Price
$338.53

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

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