Heavy Tow Tune Only L5D (2019-2021)

$600.00

Heavy Tow Tune Only L5D (2019-2021) – Optimized Towing Performance for Heavy Loads
Maximize your truck’s towing potential with our custom Heavy Tow tune, designed specifically for those hauling over 8,000 lbs—up to your vehicle’s GVWR. Tailored for 2019-2021 Chevy Silverado 4500HD, 5500HD, 6500HD, and International CV515 models, this tune enhances power, torque, and reliability while maintaining emissions compliance.

– Enhanced Towing Power: Optimized calibrations improve torque for effortless hauling, even on steep grades.
– Custom Tire Size & Speed Limiter Adjustments: Ensures precise performance based on your vehicle’s setup.
– Improved Reliability: Fine-tuned for safe power delivery without compromising engine longevity.
– Optimized Smoke Control: Maintains efficiency while reducing excessive emissions.
– Designed for Heavy-Duty Applications: Perfect for frequent heavy towing in demanding conditions.

Ensure your truck operates at peak performance with this expertly crafted Heavy Tow tune from Motorsports Arsenal.

$600.00

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Heavy Tow Tune Only L5D (2019-2021)

Why Choose the Heavy Tow Tune?

Emissions-Compliant Performance – No need to remove emissions equipment; tuning enhances power while keeping emissions systems intact.
Optimized for Heavy Towing – Designed to tow up to 8,000 lbs GVW while maintaining safe engine operation.
SMART EGT Control – Automatically manages exhaust gas temperatures to prevent overheating.
Enhanced Air-to-Fuel Ratio – Limits soot production for cleaner operation.
Factory Turbo Brake Retention – Original turbo braking system remains fully functional.

Performance & Specifications

Power Increase: +40 RWHP, +72 ft-lbs torque
Pedal Sensitivity: Revised for better throttle control
Low-Speed Trailer Maneuvering: Prevents lurching when reversing with a trailer
Compatible With: L5D Duramax (2019-2021)
Includes: Custom tuning with over 100 calibration changes

Ideal For:

Professional drivers towing heavy loads regularly
Owners of large boats, construction equipment, or welding rigs
Tow truck and heavy service truck operators
Drivers frequently towing through hills, mountains, or difficult terrain
Those who tow over 10,000 miles annually

Required Hardware & Options

Modified ECM Purchase:
- Pre-modified ECM hardware provided
- Swap out your factory ECM and return it for a $1,000 refund upon confirmation of working condition
- Custom tunes are flashed using RTD Hardware and HP Tuners Credits
RTD Hardware by HP Tuners:
- Bluetooth-enabled for seamless ECU tuning
- Allows easy reading, editing, and writing of vehicle software
- Compatible with VCM Editor and VCM Scanner for advanced diagnostics and calibration
HP Tuners Universal Credits:
- 8 credits required for ECM tuning
Transmission Tuning (Sold Separately):
- 10-Speed Allison Transmission (2020+ L5D Duramax)
- ECM tuning has been optimized for the L5D 10-Speed Allison, though TCM tuning is not currently available

Additional Notes

If towing lighter loads, the Light Tow Tune may provide improved fuel efficiency.
For maximum versatility, consider the Switch-on-the-Fly option to access multiple custom tunes.

Enhance your L5D Duramax’s towing capability with the Heavy Tow Tune, designed for drivers who demand reliable power and efficiency under heavy loads.