HP TUNERS | 2024 - 2025 L5P Duramax

Select Tune: *

Select Tuning Type: *

HP Tuners ECM Upgrade Service (Stock ECM MUST be upgraded by HP Tuners): Optional No Thanks $999.99 | L5P E42 GM ECM Upgrade Service

Add HP Tuners RTD4 Device (MPVI3 DEVICES WILL NOT WORK): Optional No Thanks $399.99 | RTD4 Tuning Device

Add RTD4 Credits: Optional No Thanks $399.92 | 8 Credits (ECM)

VIN: *

RTD4 Serial Number (Required if not purchasing a RTD4) (MPVI3 DEVICES WILL NOT WORK): Optional

Power Level (Single Tune Only): *

Truck Bed Type: *

Rear Wheel Type: *

4x4 Shifter Location: *

Modifications - Read Carefully (Mods increase lead time up to 5 business days, rush fees do not apply): *

Explain Modifications: *

Add Can Plugs: Optional No Thanks $30 | 2024-2025 L5P CAN Plugs

Add Downpipe: Optional No Thanks $377 | L5P Downpipe

Add Cooler Auxiliaries: Optional No Thanks $30 | L5P L5D Auxillary plate $399 | 2024-2025 Cooler Upgrade Kit + Throttle Valve Upgrade

Add Raw Material: Optional No Thanks $550 | 2024-25 L5P MP $800 | 2024-25 L5P 4" SS $900 | 2024-25 L5P 5" SS

HP Tuners Overnight Return Shipping: Optional No Thanks $150 | HP Tuners Rush Shipping Fee

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