SKU: DMTDM1MO1070103010

Stealth STR Turbo with Actuator

Out of stock - Call for Availability - 208-719-7400
Confirmed fitment below
YEARS
2020-2023
MAKE / MODEL
GM/Chevrolet/GMC / Silverado/Sierra
SERIES
2500HD/3500HD
ENGINE
6.6L Duramax L5P
Price
$2,650
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PRODUCT DETAIL

Key Features & Description

Features:

  • Quick spool-up provides great drivability
  • Aggressive turbo whistle
  • Adds +50hp without tuning
  • Great boost to drive pressure ratio
  • Built to last with durable components
  • No core charges
  • 1-year Stealth Warranty

Adds Excellent Performance For Your Diesel

The 2020-2023 GM Duramax 6.6L L5P is truly unleashed with Duramax Tuner's Stealth STR Turbo w/ Actuator. Experience lightning-fast spool up and immediate throttle response for an excellent driving experience thanks to the Compressor and Turbine Wheels, and zero surge even when towing heavy loads so you can experience blissful towing. For even more performance, the turbo can be tuned with a box tuner or custom tuning, even without a tune the Stealth STR Turbo w/ Actuator adds +50hp.

Durable, Intelligent Design

Duramax Tuner has 14+ years of experience with designing turbos, the Stealth STR Turbo w/ Actuator is testament to their experience. Not only is the turbo higher performing than stock, it's also much more durable. Having a high air flow design allows your diesel engine to have lower EGTs under load. Using high quality construction including aerospace-grade billet aluminum ensures that the Stealth STR Turbo w/ Actuator is not only stronger, but also lighter weight than the stock turbo. The Turbos recessed "Super Back" design further reduces weight for added performance. Get the best diesel products with Duramax Tuners Stealth STR Turbo w/ Actuator.

Fitment: 2020, 2021, 2022, 2023 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P Duramax 6.6L L5P

Notes:

  • Adds +50hp without tuning; more with custom tuning.
  • No core charge, keep your stock turbo.
  • 1-year unlimited mileage warranty covers workmanship.
  • Not for sale or use on California-registered vehicles.
  • Fast spool-up improves throttle response and drivability.
  • High-flow design helps lower EGTs under load.
  • Turbo whistle is louder than stock, noticeable sound increase.
  • Stays stable under heavy towing with zero compressor surge.
  • Built from aerospace-grade materials for strength and weight savings.
  • Best results with box tuner or custom tuning and supporting mods.

FITMENT GUIDE

Exact Fitment — Verify Your Year

Year RangesYears
Make
Model
Series
Engine
2020-2023
GM/Chevrolet/GMC
Silverado/Sierra
2500HD/3500HD
6.6L Duramax L5P

CUSTOMER REVIEWS

What Buyers Say

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