The Garrett G45 Turbine Housing Kit is engineered for enthusiasts and builders running the G45 platform who demand precise control over exhaust flow characteristics and spool behavior. This housing is purpose-built to pair with G45 turbochargers, giving tuners a dedicated option for dialing in the exact response curve their build requires. It’s the choice for those who understand that housing selection is just as critical as turbo sizing when chasing a specific power delivery.
Specifications
- Turbine Housing A/R Ratio: 1.28
- Turbine Inlet Flange: T4 divided entry
- Turbine Outlet: V-band exit
- Compatible Turbo Series: Garrett G Series G45
- Garrett P/N: 757707-0025
Performance & Application
This turbine housing is designed specifically for Garrett G45 turbochargers, making it a targeted upgrade for builds already running or planning to run the G45 platform. The T4 divided entry design separates exhaust pulses for improved turbine efficiency, while the v-band exit allows for a secure, quick-connect downstream connection. With a 1.28 A/R ratio, this housing configuration is suited to enthusiasts fine-tuning their G45 setup for their specific power and response goals.
Frequently Asked Questions
- What is the A/R ratio of this turbine housing?
- This turbine housing features a 1.28 A/R ratio.
- What type of turbine inlet does this housing use?
- This housing uses a T4 divided entry configuration.
- What type of exit connection does this housing have?
- This housing features a v-band exit configuration.
- What turbochargers is this housing compatible with?
- This turbine housing kit is designed for Garrett G Series G45 turbochargers.
For builders running the Garrett G45, this housing kit delivers the exact T4 divided entry and v-band exit configuration needed to match your turbo to your exhaust architecture with confidence.

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