1.16 A/R T3 DIVIDED Turbine Housing for GTW3884 (GTW6265, 6465, 6765) 3″ 4-bolt Exit

This 1.16 A/R T3 divided turbine housing is engineered for builders running a Garrett GTW3884 turbo who demand maximum exhaust scavenging efficiency without sacrificing housing durability. Its twin-scroll design keeps exhaust pulses separated for improved turbine response, making it the choice for serious builds seeking both bearing options and flexible outlet configurations. Whether you’re running a journal bearing or ball bearing GTW3884, this housing is purpose-built to match.

Specifications

• Turbine Housing A/R: 1.16
• Housing Type: Divided (twin scroll / twin entry) T3
• Exit Size: 3″
• Exit Flange Type: GT 4-bolt
• Compatible Turbo: Garrett GTW3884
• Compatible Bearing Types: Journal bearing and ball bearing versions

Performance & Application

This divided turbine housing is designed specifically for the Garrett GTW3884 platform, supporting both journal bearing and ball bearing configurations. The twin-scroll design optimizes exhaust scavenging, delivering improved turbine response compared to an undivided housing. It’s built for enthusiasts and builders who want the flexibility to run either bearing variant of the GTW3884 while retaining the benefits of divided exhaust pulse separation.

Compatibility & Fitment

• Garrett GTW3884 (aka GTW6265, GTW6465, GTW6765) journal bearing turbos
• Garrett GTW3884 (aka GTW6265, GTW6465, GTW6765) ball bearing turbos

Frequently Asked Questions

What is the A/R ratio of this turbine housing?

This turbine housing has a 1.16 A/R ratio.

What does GTW6265, GTW6465, and GTW6765 refer to?

These are alternate names for the Garrett GTW3884 turbo that this turbine housing is designed to fit.

What bearing types is this housing compatible with?

This housing fits both journal bearing and ball bearing versions of the GTW3884.

Can the exit be converted to a v-band?

Yes, there is an option to weld a 3″ v-band on top of the 4-bolt exit at no charge, or you may use product code ATP-FLS-028 to bolt on and convert the outlet from a 3″ 4-bolt to a 3″ v-band.

For builders running the GTW3884 platform who need proven divided-scroll exhaust housing with real fitment flexibility, this 1.16 A/R T3 housing delivers exactly the configuration your build demands.