
EFI Live Duramax DPF DEF EGR Delete Tuning | LB7 LLY LBZ LMM LML | 2001–2016 Chevy GMC
We offer fast and free reliable shipping for all customers to ensure that you receive your products as soon as possible. Shipping generally takes 3-8 days to transit to you depending on where you're located in the US and Canada. Hawaii, Alaska, and other remote areas may take longer and invoke further shipping expense. Please contact us if you're want more information.
We understand the importance of clarity in our return procedures, both for our customers' peace of mind and for ensuring a smooth process. We've outlined our updated guidelines to facilitate efficient returns here.
Complete your kit with these upgrades!

EFI Live Custom DPF DEF EGR Delete Tunes for 2001-2016 Chevy GMC Duramax 6.6L | Dyno-Built Performance
Tunes are customized software adjustments for your vehicle's engine control unit (ECU), optimizing performance parameters such as fuel injection and ignition timing. Upgrade for increased horsepower, torque, and overall engine efficiency.

Add-on | DPF RACE Pipes
DPF Delete Pipes enhance engine performance by removing the Diesel Particulate Filter, reducing exhaust restrictions for increased power and efficiency.

Add on - Custom Stainless Exhaust System | 4” / 5” DPF DEF Delete High-Flow Performance
This race exhaust starts at the downpipe or turbo depending on truck make & allows the removal of the catalytic converter and DPF filter as well as the DEF tank.

Straight-Through Diesel Muffler 3” / 4” / 5” | T409 Stainless | Dyno Diesels
Upgrade your truck's sonic profile and performance with our advanced mufflers. Features include a straight-through flow path for optimal performance, a non-directional design for flexible installation, and durable stainless steel mesh and fiberglass construction for longevity and resilience against harsh conditions. The straight-through design minimizes back pressure, boosting overall performance. Brand varies depending on size needed and truck.

2013–2018 Ram Cummins 6.7L CNC EGR Delete Kit | Premium Machined
Allows complete removal of the EGR system. No more plugged or leaking EGR system. Includes all necessary hardware and gaskets. Increases fuel economy. Enhances engine longevity.

Add-On | S&B Cold Air Intake
An S&B Intake enhances your vehicle's performance by optimizing air filtration, leading to improved engine efficiency and power. Upgrade for increased horsepower and better fuel efficiency.

2001–2016 Chevy GMC Duramax 6.6L Stainless Up-Pipes | Driver & Passenger | LB7–LML
Passenger/Driver Side Up-Pipes enhance exhaust flow, reducing backpressure for improved turbocharger efficiency. Upgrade for increased power and performance in your vehicle's exhaust system.

Stainless Steel Exhaust Tip – Chrome or Black Finish | Multiple Sizes Available
Upgrade your truck's exhaust with a Stainless Steel Tip for a sleek look and lasting durability, resistant to corrosion and harsh weather conditions. Elevate your vehicle's style and performance.

Add-on | SOTF SWITCH
SOTF switch plus sotf file if already bought a support pack from us.

FLOPRO DUAL 5 INCH EXHAUST SYSTEM | 2011-2015 CHEVY/GMC DURAMAX (V BAND CLAMP)

FLOPRO DUAL 5 INCH EXHAUST SYSTEM | 2015.5-2016 CHEVY/GMC DURAMAX (3 BOLT FLANGE)
Product Information
Product Description
2001–2016 Chevy / GMC Duramax
EFI Live Tuning Package
Pre-Loaded & Ready to Flash | Dyno-Validated Calibration
This EFI Live tuning package for 2001–2016 Chevy/GMC Duramax trucks ships pre-loaded and ready to go, eliminating setup delays and guesswork. All calibrations are professionally developed using a dyno-first tuning process, focused on controlled power delivery, drivability, and long-term reliability.
The tuning included in this package is built by Stealth Diesel, a well-established EFI Live calibrator with extensive experience dating back to the early days of the EFI Live platform. These are not generic or recycled files—each tune is designed to work with real-world Duramax configurations.
Dyno-Built EFI Live Calibration
Proper EFI Live tuning allows full control over:
- Fueling and timing strategy
- Boost and torque management
- Throttle response and drivability
- Transmission behavior (where applicable)
The result is usable power, smoother operation, and tuning that works with your hardware—not against it.
Build the Exact Kit You Need
Use the drop-down menus to configure the tuning package that matches:
- Your engine generation (LB7, LLY, LBZ, LMM, LML)
- Your transmission
- Your intended use (daily driving, towing, performance)
This ensures the tuning is appropriate for your truck—not a one-size-fits-all approach.
Why Pre-Loaded Matters
With pre-loaded EFI Live tuning:
- No waiting for files after delivery
- No laptop setup required to get started
- Flash and drive with confidence
This is ideal for customers who want a straightforward, professional solution without unnecessary complexity.
Avoid Generic “Canned” Tunes
Preloaded factory or low-quality aftermarket tunes may work for basic use, but they often lack refinement and consistency. Dyno-validated EFI Live tuning is developed using measured data, testing, and calibration refinement—not guesswork or copy-paste files.
Dyno Diesels Tuning Philosophy
Dyno Diesels focuses on proper calibration, measured results, and reliable performance. Every tuning package is selected to deliver predictable power, clean drivability, and long-term durability across the entire Duramax lineup.
Dyno Diesels — Dyno-validated tuning. Engineered control. Built to work.
Powerlevel Options
30hp.
60hp.
90hp.
120hp.
150hp.
Product Compatibility
2001-2016 Chevy / GMC Duramax
Other Information and Resources
Satisfied Customers
Hear what our customers have to say about our diesel parts.
Other Great Buys
Check out some other products that you might like



