For LBZ 4"/5" Downpipe-Back Exhaust/EGR Delete/EFILive V3 2006-2007 6.6L Duramax GM Chevy
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Product Information +
- Brand: DPFexhaust
- SKU: #10431
- Availability: Many in stock
- Product Type: Delete Kit
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PLEASE NOTE!
For LBZ 4"/5" Downpipe-Back/EGR Delete/EFILive V3 2006-2007 6.6L Duramax GM Chevy
Unlock the legendary power and bulletproof reliability of your LBZ Duramax. This all-in-one performance kit is the ultimate mechanical overhaul specifically engineered for 2006–2007 Chevrolet Silverado and GMC Sierra 2500HD/3500HD trucks equipped with the iconic 6.6L LBZ turbo diesel engine.
The LBZ platform is widely regarded as the "Golden Era" of Duramax engines, but it is still hindered by a restrictive factory EGR system that introduces soot into your intake, and an aging, narrow-diameter exhaust that traps heat. This kit removes these bottlenecks, lowers operating temperatures, and frees your engine to produce the crisp, high-torque performance that a Duramax is famous for. Experience improved fuel efficiency, sharper turbo response, and the legendary V8 diesel growl.
Key Features
- Eliminate Soot Contamination: Permanently bypass the restrictive EGR system, preventing thick carbon buildup from clogging your intake manifold and oil system, which directly extends your injectors' lifespan.
- 4-Inch High-Velocity Turbo-Back Flow: Replaces your aging, narrow factory exhaust with a high-volume 4-inch mandrel-bent path, drastically reducing backpressure and preventing heat soak.
- Drastically Drop EGTs: Getting hot exhaust gases out of the turbo housing faster is critical for the LBZ platform. Lowering your Exhaust Gas Temperatures (EGTs) protects your pistons and head gaskets under heavy load.
- Sharpened Throttle Response: By removing intake and exhaust restrictions, your turbocharger spools up faster, curing factory "lag" and delivering immediate, tire-spinning torque.
- Optimized Engine Efficiency: Allowing the engine to breathe freely results in higher real-world fuel economy and smoother power delivery across the entire RPM range.
- Signature Duramax V8 Rumble: Unleashes a deep, aggressive, and unmistakable diesel growl that every Duramax owner craves.
What's Included in the All-In-One Kit
Unlock the potential of your 2006-2007 LBZ 6.6L Duramax with our 4''/5'' Downpipe-Back/EGR Delete/EFILive V3. In this kit, you will receive the following items:
1. Performance downpipe-back exhaust, available in 4-inch or 5-inch configuration
2. EGR Delete Kit, with or without intake option
3. EFILive V3 Tuner, standard or SOTF (switch on the fly) option
Note: EFILive V3 Tuner is a custom product and cannot be returned or exchanged. Please double-check the information you submit before purchasing.
EFILive V3 Attention & Installation Guide
EFILive V3 Tuner is a custom product and cannot be returned or exchanged. Please double-check the information you submit before purchasing.
EFILive AutoCal Vehicle Installation
Uploading Off-Road Calibration to Your AutoCal Device
Download Required Software
Use a USB cable to connect your AutoCal device to a Windows 10 or newer PC.
Obtain the necessary software from the official EFILive software download page
Consult the User Manual:
For detailed guidance on using the EFILive AutoCal V3, refer to EFILive user manual
Firmware Update
Firmware Update Video Tutorial:
If you prefer video tutorial, watch how to update EFILive firmware Youtube video
It is important to update your AutoCal firmware before loading the new tune file. Failure to do so may result in compatibility issues and potential damage to your Engine Control Module (ECM).
Update EFILive Software
Open the EFILive V8 Scan and Tune software.
Click on "Check for Updates" on the homepage. If an update is available, follow the prompts to install it.
Update Firmware and Configuration Files
Within the EFILive V8 Scan and Tune software, select "Check Firmware."
In the dialog box that appears, choose the options to update both the Firmware Version and the Configuration Files.
After completing these updates, your AutoCal device will be ready for reprogramming.
AutoCal Reprogramming Overview
Note: Use EFILive Scan and Tune software for programming. Do not use Explorer unless specifically instructed.
Quick Setup Programming:
The Quick Setup method efficiently programs all necessary files to make your AutoCal functional. Your tuner should provide you with a .bbx quick setup file via email.
Save the .bbx File:
Download and save the .bbx file from your tuner to the following directory:
Documents\EFILive\V8\BBX
Alternatively, you can save it to your Downloads or Desktop folder.
Connect AutoCal to PC:
Attach your AutoCal device to your PC using a USB cable.
Launch the V8 Scan and Tune software.
Load the Quick Setup File:
Navigate to [F5: BBX] -> [F6: Quick Setup] within the software.
Click on [Open Quick Setup] and locate the .bbx file you saved earlier.
Program the Device:
Avoid altering any settings unless directed by your tuner.
Select [Program Quick Setup] to transfer the device settings, controller configurations, and tune files to your AutoCal.
Caution During Flashing Process:
While the flashing process is underway, refrain from interacting with any electronic accessories. This includes avoiding actions such as using the radio, opening or closing doors, or operating windows.
By carefully following these steps and precautions, you can successfully upload the new off-road calibration to your AutoCal device.
Shipping & Returns
Fast & Free Shipping Policy
Your order will be dispatched within 1-2 business days, and the package will arrive within your order's estimated date. Click for Shipping Policy.
Easy & Free Return Policy
Every order comes with a 14-day free return, which means you don't have to pay for a return slip. Click for Return Policy.