Heavy Tow Tune Only L5P (2020-2021)

$600.00

Heavy Tow Tune Only L5P (2020-2021) – Optimized Towing Performance for Heavy Loads
Enhance your 2020-2021 Chevy Silverado or GMC Sierra with our Heavy Tow Tune, designed specifically for those hauling over 8,000 lbs—up to your truck’s GVWR (Gross Vehicle Weight Rating). This expertly calibrated tuning solution ensures optimal power, torque, and reliability while maintaining efficient performance.

– Optimized for Heavy Loads: Ideal for towing above 8,000 lbs while ensuring engine and transmission safety.
– Increased Power & Torque: Fine-tuned for maximum pulling strength without compromising reliability.
– Reduced Smoke Output: Engine calibration minimizes unnecessary emissions for cleaner performance.
– Enhanced Vehicle Longevity: Designed to keep your engine and drivetrain running smoothly under heavy strain.
– Precise Calibration: Expertly adjusted to balance power, fuel economy, and long-term engine durability.

Stay confident on the road with a tune built to handle the heaviest demands while keeping your truck performing at its best.

$600.00

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Heavy Tow Tune for L5P (2020-2021)

Enhance your towing experience with Motorsports Arsenal’s Heavy Tow Custom Tune for 2020-2021 L5P Duramax engines. Designed for drivers who tow heavy loads, this emissions-intact tune optimizes power delivery while maintaining safe exhaust gas temperatures (EGTs).

Why Choose the Heavy Tow Tune?

Safe for Heavy Towing – Engineered for towing up to 8,000 lbs GVW without compromising reliability.
Optimized Power & Torque – Provides an increase of +40 RWHP and +72 ft-lbs of torque, ensuring smoother acceleration.
Smart EGT Control – Automatically regulates exhaust gas temperatures for safe operation under load.
Improved Air/Fuel Ratio – Reduces soot production for cleaner performance compared to standard box programmers.
Factory Turbo Brake Retention – Maintains complete turbo brake functionality for reliable downhill control.
Enhanced Throttle Response – Revised pedal sensitivity for improved handling, including refined low-speed trailer maneuvering.

Performance & Specifications

Power Gains: +40 RWHP, +72 ft-lbs torque
Compatible With: 2020-2021 L5P Duramax engines
ECM Tuning: Requires modified ECM purchase and HP Tuners RTD Hardware
Transmission Compatibility: Optimized for 10-speed Allison transmission (no current TCM tuning available)

Ideal For:

Over-the-road drivers and professional haulers
Heavy construction equipment transport
Large boat and trailer owners
Towing through mountains, hills, and inclines
Heavy service trucks and tow trucks covering 10,000+ miles annually

Required Components

Modified ECM Purchase – Pre-programmed hardware shipped directly.
HP Tuners RTD Hardware – Enables seamless software reading, editing, and writing via Bluetooth for enhanced tuning control.
HP Tuners Universal Credits – Requires 8 credits for ECM tuning.

We recommend the TCM Tuning with this product (Sold Separately)

Important Notice

This product is designed to work within emissions regulations and does not require exhaust system modifications. Warning: This product contains chemicals known to the State of California to cause cancer. For more details, visit www.P65warnings.ca.gov.