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PowerPack Bundle for 2020-2023 Duramax 6.6L

Buy Now For $3,624.78

Add To Cart
PowerPack Bundle for 2020-2023 Duramax 6.6L

Buy Now For $3,624.78

Add To Cart
PowerPack Bundle for 2020-2023 Duramax 6.6L
PowerPack Bundle for 2020-2023 Duramax 6.6L
PowerPack Bundle for 2020-2023 Duramax 6.6L
PowerPack Bundle for 2020-2023 Duramax 6.6L
PowerPack Bundle for 2020-2023 Duramax 6.6L
PowerPack Bundle for 2020-2023 Duramax 6.6L
PowerPack Bundle for 2020-2023 Duramax 6.6L
PowerPack Bundle for 2020-2023 Duramax 6.6L

PowerPack Bundle for 2020-2023 Duramax 6.6L

Gain the most power and save! +81 hp +144 lb-ft. Improves Passing, Merging, Towing
For 2020-2023 Chevy/GMC 2500/3500 Duramax 6.6L L5P
Save extra 5% with Bundle
MSRP $4,264.45

$3,624.78

Add Ons

No add-ons selected
2017-2024 L5P TMAP Spacer Hero 64410
MAP Sensor Spacer Kit
Protects sensor from soot buildup
+$69.00
Free Shipping on orders over $250 (48 Contiguous US)*

The Banks PowerPack for your 2020-2023 Duramax is a complete system engineered for maximum sustained output, improved fuel economy, and engine durability. Includes patented performance and safety features, unrivaled by competitors. Bundled for additional power and savings. 

49 State Compliant

California Compliance in Progress


Questions? Contact Support

Big, Continuous Power

Greater than the sum of its parts, the Banks PowerPack for the 2020-2023 Duramax L5P is a cohesive system that unlocks your truck’s full potential. The PowerPack combines engine tuning, data monitoring, airflow improvements, and cooling to deliver monumental continuous power, improved durability, lower exhaust gas temps (EGTs), and maximum fuel economy.

Experience quicker 0-60, easier freeway merging, and effortless towing while removing factory airflow restrictions for maximum sustained engine efficiency, power, and fuel economy.


The Smartest Inline Tuner

The Derringer is dyno-calibrated to use multiple data inputs such as throttle position, rpm, vehicle speed, AFP, knock, coolant temperature, and EGT, just like your engine's ECM.

It actively and safely optimizes calibrations in real-time thanks to its OBD-II connectivity while providing huge performance gains, all while keeping your factory ECM happy, temperatures under control, and transmission safe.

No competitive tuner does that.

Combined Dyno Chart of an l5P Duramax with Derringer Tuner

Total Throttle Control

Much more than just an On/Off throttle booster switch, PedalMonster fills the dip in your factory pedal map and restores the fun responsive feel of a linear cable throttle.

Unlike conventional cable throttles, modern electronic throttles are not linear. Part-throttle drivability is often dampened as a means to stretch fuel economy, giving a mushy and unresponsive feel.

PedalMonster puts the fun back into driving.

Animated Gif Simulating Pedal Response On Banks PedalMonster

iDash & Stealth Pod

With a simple clean look, iDash® Stealth Pods are the perfect mount solution for 52mm iDash® gauges and engineered to withstand, heat, cold, and UV exposure for the life of your vehicle.

Press-and-go friction fit requires no screws or tape to mount the iDash®— just slide in your gauge, and twist to clock it level.

Banks Power,Banks Stealth Pod, Handle Mount for Gauge Pod

Designed with an optimized viewing angle using your factory your A-Pillar to minimize eye movement while driving.

View all the information you need at a glance, while simultaneously displaying Derringer and PedalMonster controls

Banks Single Stealth Pod Installed

Massive Airflow,
Patented Electronics

The all-new Ram-Air cold air intake system's large organic shape eliminates all restrictions and turbulence to the turbo. The radical new design allows for a massive 58% gain in Mass Air Flow over the stock system.

The oversized Big-Ass filter has greater dust capacity giving you more miles between services and flows freely long after stock and competitors are clogged with debris.

The Patented Banks Air Mass Control Module allows our engineers to design past previous physical limitations for a truly next-generation intake.

42266, 42266-D, Banks Power, Ram-Air Intake, GMC L5P, Chevrolet L5P, Banks Ram-Air Intake

Turbo Induction Perfection

With 18 months of development and over 40 prototypes tested, the Banks Monster-Ram for the Duramax L5P is more than just attractive. It's turbo induction perfection.

Every facet from inlet and outlet size, orientation and location of the PCV connection, and down to the angle of the ported shroud interface had to be dialed in to exacting tolerances.

Banks Power,L5P Monster-Ram,L5P Prototype Wall
Banks Power,L5P Monster-Ram,L5P Intake Horn

Airflow is improved by removing stock restrictions at the turbo inlet while preventing destructive turbo compressor surge and maintaining emissions compliance.

The propriety design reduces pressure loss by 18.67% at the compressor inlet which results in an impressive 6.01lb/min gain in Mass Airflow verses stock. Benefits include improved throttle response, lower shaft speed, and increased turbo life.


Banks Boost Tubes
Flow Best

Banks oversized charge air cooler pipes and pair of unique billet adapters results in less boost pressure loss from turbo to intake manifold.

With a 26-45% improvement in airflow, your turbo can spool faster and sustain boost pressure with less wasted energy and heat.

Banks Boost-Tubes allow your engine, and specifically your turbo, to work less hard in compressing intake air; this maximizes horsepower delivery and throttle response while reducing engine stress.

Banks Power, Boost Tubes, Charge Air Cooler, Comparison vs stock

Drop The Pressure

Banks patented negative back-pressure SideKick tip virtually eliminates back-pressure after the DPF. With a side-draft rocket nozzle-like tip, exhaust gasses are literally sucked out of the end of the exhaust.

With pressure sensors installed, this negative exhaust pressure resulted in an impressive 9% reduction all the way back to the turbo inlet.

Banks Power, Monster Exhaust, Obround tip, negative back pressure simulation

Don't Be Deceived

With the stock exhaust nozzle measuring 2.85-inch compared to the Monster Exhaust's massive 5-inch outlet, the Banks system offers a 192% greater flow area than stock.

The Monster Exhaust boasts 89% less backpressure than stock at the DPF and 9% lower at the turbine inlet, leading to more power and increased fuel economy.

Banks Power, Monster Exhaust, Obround tip vs OEM dual

Drop That Heat

The Monster Exhaust also provides a 15% reduction in exhaust temperature two feet behind the tip during regen!

Unlike the stock Duramax exhaust, which directs a prolonged jet-like blast of super-heated exhaust gas directly at anything being towed, the Monster Exhaust is aimed out to the side of the truck.

3D Simulation of what obround tip difusing hot gas to atmosphere

This allows ambient air to diffuse the heated gas, eliminating the risk of melting a trailer, which has been reported by many Duramax owners.


Patented design
Cools 5X better

Banks Ram-Air® differential cover extends lubrication life, retains fuel economy, and rejects heat faster than any other cover on the market.

Thanks to its superior fluid and aerodynamics, the Ram-Air® Cover out-performs stock and flat-back high-capacity covers and does so with less lubricant.