If the factory turbos are holding back your RZ34, this Garrett PowerMax set gives the VR30DDTT more airflow while keeping everything direct-fit. You get both the left and right MGT1446Z turbochargers with calibrated actuators, so this isn't a custom turbo setup that needs new manifolds or fabrication.
Garrett measured 12% more compressor flow compared to the stock turbos and rates the pair to support up to 560 BHP. ECU tuning is required to use the added airflow, and the actual power will depend on the tune, fuel and supporting parts on the car.
Fitment Information
- 2023 Nissan Z RZ34 3.0L VR30DDTT
- 2024 Nissan Z RZ34 3.0L VR30DDTT
- 2025 Nissan Z RZ34 3.0L VR30DDTT
- 2026 Nissan Z RZ34 3.0L VR30DDTT
- All trims
Fitment Note: Garrett's current application data lists the RZ34 Nissan Z and Japanese-market Fairlady Z. It does not list the Infiniti Q50 or Q60 for this part number, even though those cars also use a VR30DDTT.
Specs and Features
- Garrett PowerMax MGT1446Z twin turbo upgrade
- Includes left- and right-side turbochargers
- Garrett kit part number: 959782-5001S
- Left turbo part number: 955654-5001S
- Right turbo part number: 955655-5001S
- Supports up to 560 BHP / 412 kW
- 12% more compressor flow than the factory turbochargers
- Direct-fit installation using the original mounting points and connections
- Calibrated electronic actuators
- No custom exhaust manifold or fabrication required
Compressor:
- Inducer: 36mm
- Exducer: 46mm
Turbine:
- Inducer: 39mm
- Exducer: 36mm
- Maximum turbo speed: 220,100 RPM
Included in the Box
- Garrett PowerMax left-side MGT1446Z turbocharger
- Garrett PowerMax right-side MGT1446Z turbocharger
- Calibrated electronic wastegate actuators
What the 560 BHP Rating Means
The 560 BHP figure is the power capability Garrett calculated from its compressor flow testing. It isn't a 560 horsepower gain and it isn't a guaranteed wheel-horsepower number. The turbos have the airflow to support that power level, but the car still needs the fuel, cooling, exhaust and ECU calibration to get there.
If you want more room than the stock turbos provide but don't want to piece together a full custom turbo system, that's where this PowerMax setup makes sense. It keeps the quick response and factory-style installation while giving the VR30 more airflow to work with.
Installation Notes
- Professional installation is recommended
- Replaces both factory turbochargers
- Uses the original turbo mounting locations and connections
- No fabrication is required
- ECU calibration is required to properly use the increased airflow
- Do not operate the turbochargers above Garrett's 220,100 RPM maximum speed
Pairs Well With
- PLM 3" High-Flow Catted Downpipes - The larger catted downpipes help the upgraded turbos move exhaust out with less restriction than the factory downpipes.
- K&N Typhoon Cold Air Intake - Opens up the intake side of the VR30DDTT and gives you more turbo and bypass-valve sound at the same time.
- PLM XL Aluminum Heat Exchanger - More cooling capacity helps control charge-air temperatures once you start running more boost and asking more from the turbos.
About Garrett
Garrett has been building OEM and performance turbochargers for decades. The PowerMax line is made for people who want more airflow and power capability without giving up the factory-style fitment of the original turbo setup.
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