The Garrett GTW3884R is a 64mm ball bearing turbocharger built for enthusiasts chasing serious top-end power without sacrificing a stainless steel V-Band turbine housing designed for clean, direct compatibility with existing TiAL flanged manifolds and down-pipes. As part of Garrett’s GTW Series, it delivers Garrett’s performance-engineered answer to the popular 6466-size turbo class. This is the right choice for builders who want proven flow potential, ball bearing response, and a housing configuration that simplifies installation on TiAL-equipped setups.
Specifications
- Compressor Wheel Inducer: 64.3mm
- Compressor Wheel Exducer: 84.4mm
- Compressor Wheel Trim: 58
- Turbine Wheel Inducer: 74.2mm
- Turbine Wheel Exducer: 64.6mm
- Turbine Wheel Trim: 76
- Turbine Housing A/R: .82
- Turbine Housing Inlet/Outlet: Stainless Steel V-Band Inlet and V-Band Outlet
- Compressor Housing Frame: T04S Frame
- Compressor Inlet: 4″
- Compressor Outlet: 2.5″
- Compressor Housing Feature: Built-in & machined anti-surge
- Bearing Type: Ball Bearing
- HP Potential: 900HP potential flow
- Also Known As: GTW6465R
Performance & Application
The GTW3884R is engineered for high-horsepower builds seeking strong flow capacity and ball bearing responsiveness in a 64mm turbo platform. Its stainless steel V-Band turbine housing bolts directly to TiAL flanged turbo manifolds and down-pipes, streamlining installation for builders already running TiAL-compatible hardware. As Garrett’s performance solution to the widely used 6466 size turbo, it offers great performance at a competitive price for enthusiasts building toward serious power targets.
Frequently Asked Questions
- What HP can the GTW3884R support?
- The GTW3884R offers 900HP potential flow.
- Is this a ball bearing or journal bearing turbo?
- The GTW3884R is a ball bearing turbo.
- What is the A/R ratio of the turbine housing?
- The included turbine housing is .82 A/R, with a 1.03 A/R V-Band turbine housing available as an alternate option.
- What does GTW6465R refer to?
- GTW6465R is an alternate name for the Garrett GTW3884R.
- Is this turbine housing compatible with TiAL manifolds?
- Yes, the turbine housing is compatible and mounts to existing TiAL flanged turbo manifolds and down-pipes.
For builders who demand a high-flowing ball bearing turbo with seamless TiAL manifold compatibility, the Garrett GTW3884R delivers proven GTW Series performance engineered for serious power.

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