Login
My Account
My Cart
The site navigation utilizes arrow, enter, escape, and space bar key commands. Left and right arrows move across top level links and expand / close menus in sub levels. Up and Down arrows will open main level menus and toggle through sub tier links. Enter and space open menus and escape closes them as well. Tab will move on to the next part of the site rather than go through menu items.
Enter your truck info so we can recommend the right products for you.
Can't find it? Call us at 859-737-4966 for free advice.
Menu
Air Filters
Air Intakes
Clutches
Cooling System
Drive Line
Electronics
Engine
Engine Parts
Exhaust
Exhaust Brakes
Fabrication Components
Fluids
Fuel Systems
Fuel Tanks
Gauges
Injection Pumps
Injectors & Related Items
Intake Manifolds
Intercoolers
Lift Pumps
Programmers
Silicone Hoses
Suspension
Tools
Transmissions
Turbochargers
Water Meth Inj Kits
Thoroughbred Diesel has been your online performance headquarters since 2002. We know how to get the most performance out of your pickup truck and offer all of today's most popular diesel performance products.
Brakes
ECM
Electrical Components
Engine Components
Exterior Replacement Parts
Filters
Fuel Pumps
Gaskets & Seals
Interior Replacement Parts
Oil Pumps
Starters & Alternators
Thoroughbred Diesel offers OEM and diesel stock parts for your diesel pickup truck. At Thoroughbred Diesel, you can buy stock diesel replacement parts such as injectors, fuel pumps, ball joints, track bars, turbos, and more for your diesel truck.
Injection Pump
Injector
Turbo Charger
Batteries
Bed Covers
Bumpers
Fender Flares
Floor Mats and Liners
Grilles
Horns
Lighting
Mud Flaps
Nerf Bars
Running Boards
Seats & Covers
Shift Knobs
Spare Tire Carriers
Storage
Tailgate Nets
Tool Box
Truck Steps
Ventvisors
Wheels
Winches
Make heads turn with custom truck accessories from Thoroughbred Diesel.
Ball Mounts
Gooseneck & Fifth Wheel
Hitch Balls
Hitch Pins & Hitch Locks
Hitch Steps
Hitches
Loading Ramps
Shackles & Tow Hooks
Tow Brakes
Tow Mirrors
Towing Accessories
Weight Distributing Hitchs
Banners
Decals
Hats
Hoodies
License Plates
Shirts
Tank Tops
Show your support with a Thoroughbred Diesel t-shirt, sweatshirt, or sticker decal.
Thoroughbred Sku #: DUTDM1DH1070303000 Manufacturer Sku #: DM1DH1070303000
Year/Make/Model: {{year}} {{make.Name}} {{model.Name}} Edit
$3,250.00
2011 - 2016 Chevy Silverado 2500
2011 - 2016 Chevy Silverado 3500
2011 - 2016 GMC Sierra 2500
2011 - 2016 GMC Sierra 3500
Product Name:Duramax Tuner Stealth Mach 2 (67) Turbo - 11-16 Duramax LML Manufacturer: Duramax Tuner Manufacturer Part #: DM1DH1070303000 Thoroughbred Diesel Part #: DUTDM1DH1070303000 Fitment Notes: 2011- 2016 GM Duramax LML
The LML Stealth Mach 2 (67) is a stock appearing, direct replacement for your 2011, 2012, 2013, 2014, 2015, and 2016 LML Duramax. The upgraded billet compressor & extra-large turbine wheel are perfectly matched to our custom cut compressor cover and exhaust housing.
This turbocharger features HFV technology! HFV or High Flow Vane technology is our proprietary customization of the variable vane cage and nozzle ring assembly. This advancement allows the use of a larger turbine wheel for maximum high-load efficiency. Stealth turbos featuring our HFV upgrade are capable of producing more power, spooling up quicker, and managing EGTs better than those limited with factory nozzle rings.
Your truck is going to experience increased performance across a wide operating range due to our HFV assembly, oversized turbine wheel, and billet compressor wheel. Built from brand new parts, this turbocharger won’t require a core charge. The optional actuator is pre-calibrated and the entire turbo comes ready for installation. You should strongly consider custom tuning to go with this turbocharger upgrade. Deletes are not required. We have made up to 650 RWHP when matching this turbo with our Custom Emissions Equipped Tuning.
The Stealth Mach 2 (67) undergone testing to demonstrate that it complies with federal emissions regulations. This testing provides the reasonable basis required by the standards defined by the EPA.
LML Stealth Mach 2 Upgrade!
Duramax Turbo Upgrade Details
This Turbo is Designed for you...
Add on a Stealth Boost Tester.
Boost leaks can kill diesel engines. They cause higher EGTs, decrease your power, and lower fuel economy. Properly being able to test your entire charged air system is essential to getting peak performance and longevity out of your diesel engine. Charged air systems include everywhere from the turbocharger to the intake manifold. Your intercooler system, Exhaust Gas Recirculation components, and even the Turbocharger compressor cover can all develop boost leaks. This boost tester is exactly what you need if you work on diesel trucks regularly or just want to check the condition of your engine's charge system. Here's what you can get:
Warranty: Calibrated Power is proud to offer our Unlimited Mile, 1 year manufacturer warranty for quality and craftsmanship.
Fitment Specifications
Year
OEM
Models
OEM Part #(s)
2011-2016
Chevy
2500, 3500
§ 848212-5002S
§ 12642314
§ 12642129
§ 800799-0002
§ 800799-0003
§ GT3788VA
§ Garret 3788
§
GMC
Measurement Specifications
Compressor - Wheel Inducer
Compressor - Inducer Bore
Compressor - Wheel Blade Count
Turbine - Wheel Exducer
Turbine - Wheel Inducer
Turbine - Wheel Blade Count
Peak Power
67mm
68mm
6 + 6
71mm
78mm
10
800 RWHP
Maximum Recommended Boost Pressure (psi) for LML Stealth 67G2
Altitude (ft)
Barometric Pressure (psi)
Baro (inHG)
Max Safe Boost (psi)
-1000
15.2
31.02
41.8
0
14.7
29.88
40.4
1000
14.2
28.86
39.1
2000
13.7
27.84
37.7
3000
13.2
26.83
36.3
4000
12.7
25.81
34.9
5000
12.2
24.8
33.6