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2011 – 2016 6.6L Chevrolet / GMC 2500HD, 3500HD

Description

Powermax Turbo Upgrade for Chevrolet / GMC Duramax LML Engine

6.6L Duramax LML

Part Number: 886976-5004S (600HP*)
Application: 6.6L Chevrolet / GMC 2500HD, 3500HD (2011 – 2016)

Garrett PowerMax™ turbocharger upgrade for the Chevrolet and GMC 6.6L LML engine platform is engineered to increase engine performance while maintaining OEM installation specifications. This direct drop-in stage 1 upgrade provides 19% more flow than OEM and will support up to 600WHP*. Improvements in efficiency and flow can be attributed to the lightweight forged fully-machined compressor wheel. Boost response of this PowerMax turbocharger compared to OEM has not been tested. This turbocharger is outline interchangeable with the OE hardware to ensure a perfect fit every time.

* Estimated Horsepower. Performance results of this product are highly dependent upon your vehicle’s modifications and tuning/ calibration. The horsepower numbers represented above are calculated based strictly on choke flow of the compressor map (total turbo capability), which represents the potential flywheel horsepower.

**Legal in California only for racing vehicles which may never be used, or registered or licensed for use, upon a highway. Installation may affect vehicle emissions, safety, warranty, and operating license. For details, contact your vehicle’s manufacturer or turbo kit distributor

IMPORTANT PRODUCT INFORMATION

“Garrett Performance Kits are professional aftermarket products only designed for certain racing vehicles driven on particular racing tracks and shall only be used on racing vehicles that will never be driven on public roads or highways. Garrett Performance Kits are not legal for the use in vehicles on public roads or other roads to which public road law applies. Any vehicle modifications using Garrett Performance Kits are AT YOUR OWN RESPONSIBILITY and AT YOUR OWN RISK. Only use Garrett Performance Kits in compliance with all applicable laws, regulations, and ordinances (including but not limited to emission, noise, operating license, performance, safety, and type-approval aspects). A vehicle modification using Garrett Performance Kits may particularly affect or void a vehicle’s warranty, operating license or type-approval. Moreover, only use Garrett Performance Kits in compliance with all applicable racing and racing track provisions. It is YOUR OWN RESPONSIBILITY AND RISK to ensure that your Garrett Performance Kit fits your vehicle and area of application. YOU MUST ENSURE LAWFUL AND SAFE OPERATIONS AT ANY TIME. You should particularly consult the owner’s manual and service manual of your vehicle. You should also contact your vehicle’s manufacturer to determine what effects modifications may have on important aspects such as safety, warranty, performance, etc. Only install and use Garrett Performance Kits if you have fully read and understood this important safety information and if you fully agree with the terms and conditions set forth therein.”

Outline Interchangeable

This turbocharger is outline interchangeable with the OE hardware to ensure a perfect fit every time.

Performance Upgrade For 6.6L LML Engines

This direct drop-in stage 1 upgrade provides 19% more flow than OEM and will support up to 600WHP*. Improvements in efficiency and flow can be attributed to the lightweight forged fully-machined compressor wheel.

2011 – 2016 6.6L Chevrolet / GMC 2500HD, 3500HD

Compressor Map & Exhaust Flow Chart

Compressor Map

2011 – 2016 6.6L Chevrolet / GMC 2500HD, 3500HD

Performance Comparison Sheet

Powermax Turbo Upgrade for Chevrolet / GMC Duramax LML Engine

6.6L Duramax LML

Part Number: 886976-5004S (600HP*)
Application: 6.6L Chevrolet / GMC 2500HD, 3500HD (2011 – 2016)

Garrett PowerMax™ turbocharger upgrade for the Chevrolet and GMC 6.6L LML engine platform is engineered to increase engine performance while maintaining OEM installation specifications. This direct drop-in stage 1 upgrade provides 19% more flow than OEM and will support up to 600WHP*. Improvements in efficiency and flow can be attributed to the lightweight forged fully-machined compressor wheel. Boost response of this PowerMax turbocharger compared to OEM has not been tested. This turbocharger is outline interchangeable with the OE hardware to ensure a perfect fit every time.

* Estimated Horsepower. Performance results of this product are highly dependent upon your vehicle’s modifications and tuning/ calibration. The horsepower numbers represented above are calculated based strictly on choke flow of the compressor map (total turbo capability), which represents the potential flywheel horsepower.

**Legal in California only for racing vehicles which may never be used, or registered or licensed for use, upon a highway. Installation may affect vehicle emissions, safety, warranty, and operating license. For details, contact your vehicle’s manufacturer or turbo kit distributor for additional information and pricing.

Compressor Turbine
6.6L Duramax Upgrade Turbo PN HP* Inducer Exducer Trim A/R Inducer Exducer Trim A/R
6.6L Duramax LML (2011 – 2016) 886976-5004S 600 65mm 91mm 55 0.58 72mm 62mm 75 0.90

2011 – 2016 6.6L Chevrolet / GMC 2500HD, 3500HD

Download Section

Item Link
Compressor Map Click to download
2011 – 2016 Chevrolet / GMC 2500HD, 3500HD / 6.6L Duramax LML Engine Brochure Click to download
Product Photo Click to download

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