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2011-2016 Duramax LML S400/Stock Compound Installation Kit

2011-2016 Duramax LML S400/Stock Compound Installation Kit

We have Duramax LML compound kits in stock and available for immediate shipment! No build time, no long lead times, these are boxed up and ready to go!


 Fits all 2011-2016 Duramax LML 6.6L Diesel Pick up 2500/3500HD Silverado/Sierra! 


The colors listed are the only options we have available and we do not have the ability to get any other colors. If you want a different color, grab a kit and get it repowder coated. We have done this several times and any powder coat shop can easily do that.


There will be no turbo included with the base kit but can be purchased by selecting yes or no to the Billet S480 option which is what we use with all LML builds. Exhaust A.R. would be 1.32 as the standard option. Compressor cover will be raw in color. 


For the installation kit here's what is included (2nd picture),


Hot exhaust pipe out of factory VGT turbo or drop in VGT to S400 Atmosphere charger

S400 5" Intake / Dry air filter / Pre filter cover

Twin Turbo Coolant tank with level sensor

S400 turbo mount for passenger side of block

4" down pipe and clamp to fit T6 Borg Warner exhaust housing

Y bridge with cold side intercooler piping

All boots and clamps needed

Oil feed and return oil lines

Fine texture black battery tray

Two rolls of heat wrap

Any hardware needed for installation


If you do not have these items below, we suggest the following to accomodate the install or may be needed to make it a complete kit. Some of these items are asked in the drop down options, but if you want to look at them individually, clicking Found HERE will take you to the item by itself on our website.


Billet Borg Warner Turbo. Can be 475 or 480 Found HERE

Matching hot side intercooler pipe Found HERE

T6 heat blanket for atmosphere turbo Found HERE

Compound specific full 2" Passenger up pipe Found HERE

vband assembly for downpipe to front pipe (requires welding) Found HERE

LML Breather hose Found HERE


Duramax LML compound kit

LML Duramax compound kit

LML Compound kit

Twin turbo Duramax LML


Something to note, this kit by itself is a total of two very large packages and if you add a turbo then three large heavy packages. Adding some of the other options could make this a total of 2-8 total packages being shipped to you.