RB25DET Sports Turbo Kit
OEM Fitment, Boosted for 330–450ps!
■Specification
Compressor
Turbine
Inducer
Exducer
Blades
Inducer
Exducer
Blades
HKS GTIII-RS
55.3mm
65mm
6+6
56mm
49.1mm
12
A/R
Oil Line
Water Line
Inlet
Outlet
Inlet
Outlet
0.70
M12×1.25
Exclusive (M6×1.0)
Exclusive (M14×1.5)
Exclusive (M14×1.5)
■Features
This turbine kit is designed to maintain the stock appearance while targeting outputs from 250 kW (340 PS) to 331 kW (450 PS).
On a stock engine, the target output is 250 kW (340 PS), while engines with internal reinforcements can aim for 331 kW (450 PS).
Ideal for refreshing the HKS GT turbine series or stepping up from the stock turbo.
Designed to match the RB25DET stock turbine shape, requiring minimal modifications.
Comes with a reinforced actuator, set to 88.3 kPa (0.9 kgf/cm²).Heat shields are specifically designed for this turbine, effectively blocking radiant heat from the turbine.
The turbine inlet pipe is also specially designed, with larger bend radii to reduce pressure loss.
HKS STAINLESS FRONT PIPE (3306-SN007)
Super Turbo Muffler (31029-AN005)
INTAKE
Racing Suction (70020-AN104)
AIR FLOW LESS ADAPTER (1599-SN001)
COOLING
HKS Front-Mount Intercooler (Prototype)
■性能
Output Data
Stock
GTIII-RS
MAX POWER kW(PS)
172.2kw(234.1ps) / 6680rpm
271kW(369.5ps) / 6500rpm
MAX TORQUE N･m(kgf･m)
306.9N･m(31.2kgf･m) / 4580rpm
439.5N･m(44.8kgf･m) / 5260rpm
■Note
Engine reinforcement is recommended when operating at boost pressures above 100 kPa (1.01 kgf/cm²).
Depending on the set boost pressure, it may be necessary to upgrade the injectors, high-flow fuel pump, and reinforced head gasket. Please take caution.
When running without a catalytic converter, the boost pressure may increase by approximately 20 kPa (0.2 kgf/cm²).
Compatibility: Early RB25DET models (e.g., ECR33) – verification ongoing
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