DIESELR GM Duramax L5P All In One Kit (2017-2023) w/ MPVi4
DIESELR GM Duramax L5P All In One Kit (2017-2023) w/ MPVi4 - 2017-2019 / Single Tune / 5-Inch Downpipe Back (Stainless Steel) is backordered and will ship as soon as it is back in stock.
Confirm vehicle fitment
Confirm vehicle fitment
Confirm fitment before ordering. Match the year, make, model, trim, engine, drivetrain and selected options shown on this page. If any detail is unclear, search your exact vehicle or contact us before checkout.
Shipping expectations
Shipping expectations
Availability and processing time can vary by manufacturer. Available shipping choices and charges appear at checkout. Tracking is emailed after shipment. Oversized, special-order and supplier-shipped items can require additional processing time.
Returns and cancellations
Returns and cancellations
Please review eligibility before purchase. Installed, used, electronic, custom, special-order and clearance items may have return restrictions. Contact us promptly if you need to change or cancel an order.
What’s included
What’s included
The product description and selected variant determine what is included. Items shown in lifestyle or installation photos are not included unless they are specifically listed in the description.
DIESELR GM Duramax L5P All In One Kit (2017-2023) w/ MPVi4
DIESELR GM Duramax L5P All In One Kit (2017-2023) w/ MPVi4 - 2017-2019 / Single Tune / 5-Inch Downpipe Back (Stainless Steel) is backordered and will ship as soon as it is back in stock.
Buy with confidence
Verify fitment, selected options, availability and included components before checkout. Secure payment options and order confirmation are provided at checkout.
Description
Description
DIESELR GM Duramax L5P All-In-One Kit (2017-2023) w/ MPVi4
The DIESELR GM Duramax L5P All-In-One Kit (2017-2023) is the ultimate tuning solution for serious Duramax owners. Designed for real-world power, better throttle response, and improved efficiency, this all-in-one package gives you full ECM tuning control with MPVI4, along with exhaust and EGR upgrade options to match your setup.
With DIESELR custom tune files and Shift-On-The-Fly (SOTF) support, you can adjust your power levels instantly—no reflashing required. Whether you’re hauling heavy loads, daily driving, or looking for more power on demand, this kit delivers.
✅ What’s Included
✔ MPVI4 Tuning Device – The most advanced tuning interface for Duramax ECM tuning.
✔ Custom DIESELR Tune Files – Developed for real-world performance and reliability.
✔ Tune Type Options – Single Tune or Shift-On-The-Fly (SOTF).
✔ Exhaust System Options – Cat & DPF Race pipe, 4-inch Downpipe-Back, or 5-inch Downpipe-Back.
✔ EGR Upgrade Kit .
✔ 6 Universal Credits – Required for ECM unlocking and flashing.
Extra Add-On Needed
E41 Upgrade Kit – Necessary for ECM unlock on 2017-2018 models.
Power Levels
DIESELR Custom Tune Files offer five distinct performance levels built for towing, efficiency, and power gains.
- Level 1: Stock Power
- Level 2: +50 HP
- Level 3: +80 HP
- Level 4: +120 HP
- Level 5: +180 HP
With SOTF tuning, you can adjust power levels instantly using the steering wheel controls.
💪 Why Choose the DIESELR GM Duramax L5P All-In-One Kit?
✔ MPVI4-Based Tuning – The most powerful ECM tuning device for L5P Duramax.
✔ SOTF Adjustments – Change power levels in real-time using steering wheel controls.
✔ All-In-One Solution – Everything needed for full ECM tuning in one kit.
✔ Backed by DIESELR’s Expert Tuning – Real tuning, real power, real results.
🔧 Variant Options
Choose Year:
- 2017-2019 Duramax L5P
- 2020-2023 Duramax L5P
Choose Exhaust System:
- Cat & DPF Race pipe
- 4-Inch Downpipe-Back Exhaust
- 5-Inch Downpipe-Back Exhaust
Tune Type:
- Single Tune
- Shift-On-The-Fly (SOTF)
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
Product features
Use this section to highlight specific product features to your customers.
Product comparison grid
Add content here to explain a bit about the range of products on offer and which ones may be most suitable for your customers.
