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T304 Stainless Steel
The Purest Stainless Steel used in Exhaust System Manufacturing
High Rust Resistance
Lasts Up To 20+ years
Looks Better
T409 Stainless Steel
The Standard Stainless Steel used in Exhaust System Manufacturing
Low Rust Resistance
Lasts Up To 5-8 Years
Looks Dull
Attention
A 2022 Cummins Tune Package was added to your cart. This tune is a beta tune that may cause the following:
- Low power
- Poor fuel mileage
- Engine codes that may appear
- Poor shifting characteristics
For a tested and proven tune, please view our Ram Cummins 6.7L All-in-One DPF/DEF/EGR Delete Kit w/ECM Swap (2022-2024)
The EZ LYNK Auto Agent 3 is an advanced tuning platform engineered for 2007.5–2023 GM Duramax trucks. With cloud-based calibration and diagnostics, this system allows you to monitor, adjust, and optimize your truck’s performance with precision. Your technician can remotely link to your vehicle, streamlining updates, troubleshooting, and tune delivery directly over Wi-Fi—no cables, no delays.
NOTE: Tuning does not support PTO units.
Key Features:
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Quick 60-Second Setup:
- Connect the EZ LYNK Auto Agent 3 to your truck’s OBD2 port.
- Download the EZ LYNK Mobile App on Android or iOS.
- Pair via Wi-Fi and instantly access cloud-based Duramax tuning.
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Advanced Diagnostics:
- Full OBD scan and monitoring—view, log, and share real-time data with your technician.
- Read and clear Diagnostic Trouble Codes (DTCs) instantly.
- Receive firmware and calibration updates over the air.
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Cloud-Connected Tune Management:
- Access and install tune files directly through the EZ LYNK cloud interface.
- Switch between power levels or towing calibrations anytime, anywhere.
- Automatic data sync ensures VIN-locked tuning integrity and reliability.
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Fleet-Ready Functionality:
- Ideal for both single-truck owners and fleet managers.
- Share data logs, maintenance reports, and diagnostics remotely.
- Enable multiple user access for simplified management and communication.
Vehicle Compatibility:
- 2007.5–2010 Chevrolet Silverado/GMC Sierra 2500HD, 3500HD Pickup (LMM)
- 2011–2016 Chevrolet Silverado/GMC Sierra 2500HD, 3500HD Pickup (LML)
- 2011–2014 Chevrolet Silverado/GMC Sierra 3500HD Cab & Chassis (LML)
- 2017–2023 Chevrolet Silverado/GMC Sierra 2500HD, 3500HD Pickup (L5P)
Platform Compatibility:
- Web Portal: Access and manage tunes from any browser.
- EZ LYNK App: iOS 12.0+ and Android 8.0+ compatible for wireless management.
Important Product Information
Off-Road Use Only: The products sold on this website are intended for off-road use only, and may not be legal for use on public highways where pollution control laws apply.
Check Local Laws: Before purchasing and installing any of these parts, please check your local and state laws to confirm whether the modifications are legal in your area.
Professional Installation Recommended: These kits and parts are strongly recommended to be installed by professional mechanics only. Improper installation may lead to performance issues or damage to your vehicle. Unless specified differently on the product page, our parts do not include installation instructions. They are intended for individuals with a proficient understanding of mechanical systems and procedures. Like many aftermarket parts compatible with a variety of vehicles, minor adjustments or modifications may be necessary during the installation process. We cannot accept returns or offer refunds on the basis of an inability to complete the installation due to the absence of instructions.
Warranty: The use of these parts will void the warranty of your vehicle. Please confirm with your vehicle manufacturer before purchase and installation.
No Liability: Tuner Depot is not responsible for any damage or issues that may arise from the use of these parts.
Product Images: Product images are for illustrative purposes only and may differ from the actual product due to manufacturer design changes or improvements.
No Performance Guarantees: While these parts are designed to enhance the performance of your vehicle, no guarantees are made regarding the specific performance gains that will be achieved.
Shipping Policy at Tuner Depot
At Tuner Depot, we understand the importance of timely delivery for your performance parts. We're committed to ensuring a seamless shipping experience, striving to dispatch your orders with utmost efficiency and speed.
- Weather Conditions: Adverse weather conditions such as rain, snow, or sleet may affect delivery timelines. We will make every effort to minimize any delays.
- Holiday Periods: Please note that our shipping center will be closed during holidays. We will resume shipping promptly on the next business day. Allow for potential delays during peak seasons, but rest assured, we will keep you informed every step of the way.
- Staff Availability: Unforeseen circumstances can occasionally affect our staffing levels, possibly leading to minor delays. We are committed to swiftly resolving any issues to maintain our high standards of service.
- Choosing a selection results in a full page refresh.








