The Garrett G-Series G45-1500 is a purpose-built turbocharger unit engineered for enthusiasts and builders chasing serious top-end power without sacrificing transient response. Paired with a T4 divided turbine housing, this unit is designed for high-boost applications that demand maximum flow and consistent performance under extreme loads. It’s the choice for builds that require a turbocharger capable of supporting massive horsepower while maintaining the aggressive response characteristics that define the G-Series lineup.
Specifications
- Compressor Wheel Inducer: 76mm
- Compressor Wheel Exducer: 109mm
- Compressor Wheel Trim: 49
- Compressor Housing A/R: 0.85
- Turbine Housing A/R: 1.44
- Turbine Housing Flange: T4 Divided
- Turbine Wheel Inducer: 89mm
- Turbine Wheel Exducer: 82mm
- Turbine Wheel Trim: 84
- HP Capacity: 1500HP
Performance & Application
The G45-1500 is built for high-boost applications requiring maximum flow and top-end power delivery. Its 49-trim compressor wheel and 0.85 A/R compressor housing are engineered for aggressive transient response, allowing this turbo to spool efficiently while still delivering the capacity needed to reach 1500 horsepower. The T4 divided 1.44 A/R turbine housing supports strong exhaust energy extraction across a wide power band, making this unit well-suited for builds pushing into extreme power territory. This is a turbocharger designed for maximum output without compromising the responsiveness serious performance builds demand.
Frequently Asked Questions
- What HP can the G45-1500 support?
- The Garrett G45-1500 is capable of supporting up to 1500 horsepower.
- What is the compressor housing A/R ratio?
- The compressor housing A/R ratio is 0.85.
- What turbine housing and A/R does this unit use?
- This unit uses a T4 divided turbine housing with a 1.44 A/R ratio.
- What is the compressor wheel inducer size?
- The compressor wheel inducer diameter is 76mm.
For builders targeting maximum horsepower with a turbocharger engineered for aggressive response, the Garrett G45-1500 delivers the flow capacity and durability to get there.
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