Sierra 2500HD/3500HD Turbos.
We track 3 Sierra 2500HD/3500HD upgraded turbos from 1 brand, $2,650 to $3,975 as recorded 2026-09-11, each at its lowest price across the retailers we compare. None of them publishes a horsepower figure yet.
Bigger or upgraded turbochargers for when bolt-ons max out the stock units.
3 parts
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2020-2023
Duramax Tuner DURAMAX TUNER STEALTH MACH 1 (64) TURBO W/ACTUATOR 20-23 L5P / L5D
$3,700
2020-2023
Duramax Tuner DURAMAX TUNER STEALTH MACH 2 (67) TURBO W/ACTUATOR 20-23 L5P / L5D
$3,975
2020-2023
Duramax Tuner DURAMAX TUNER STEALTH STR TURBOCHARGER W/ACTUATOR 20-23 L5P / L5D
$2,650
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Gains shown are manufacturer claims, labeled community estimates, or independent tests, as tagged on each part. See the full catalog to filter by engine, drivetrain, and more.