The Garrett G45 Turbine Housing Kit is purpose-built for enthusiasts and builders running the G Series platform who demand precise, repeatable exhaust-side matching for their turbocharger system. This 1.44 A/R housing delivers a true v-band-to-v-band configuration, making it the direct-fit solution for those optimizing spool response and high-boost flow on a G45-based build.
Specifications
- A/R Ratio: 1.44
- Turbine Inlet: V-band entry
- Turbine Outlet: V-band exit
- Garrett P/N: 757707-0022
Performance & Application
This turbine housing is designed as a direct fit for Garrett G Series turbochargers, specifically within the G45 platform. The v-band inlet and outlet configuration is engineered for optimized exhaust flow, supporting strong spool characteristics in high-boost applications. Builders targeting a specific balance of response and top-end flow on their G45 turbocharger will find this 1.44 A/R housing configuration well suited to that goal.
Compatibility & Fitment
- Direct fit for Garrett G Series G45 turbochargers
Frequently Asked Questions
- What is the A/R ratio of this G45 turbine housing?
- This turbine housing kit has a 1.44 A/R ratio.
- What type of inlet and outlet does this turbine housing use?
- It features a v-band entry and v-band exit configuration for optimized exhaust flow.
- Which turbocharger platform does this housing fit?
- This turbine housing is a direct fit for Garrett G Series G45 turbochargers.
- What is the Garrett part number for this housing?
- The Garrett part number is 757707-0022.
For G45 builds demanding precise v-band exhaust matching and optimized spool-to-flow characteristics, this 1.44 A/R turbine housing kit is the direct-fit, factory-specified choice.

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