T3 Undivided Turbine HSG, GT4088R, GT4094R, GTX4088R, A/R .89, .99, 1.11, T3 inlet, 3″ vb outlet

This Garrett cast T3 undivided turbine housing is built for enthusiasts running the GT4088R, GT4094R, or GTX4088R turbocharger and looking to fine-tune their exhaust-side characteristics. With three selectable A/R ratios, it gives serious builders the flexibility to dial in the exact balance of transient response and top-end power their platform demands. This is the housing of choice for anyone building a serious high-horsepower turbo system around the GT40/GTX40 series.

Specifications

• Housing Type: Cast T3 undivided turbine housing
• Compatible Turbochargers: GT4088R, GT4094R, GTX4088R
• A/R Ratio Options: .89, .99, 1.11
• Turbine Inlet Flange: T3
• Turbine Outlet: 3″ V-band discharge

Performance & Application

Designed specifically for the GT4088R, GT4094R, and GTX4088R turbochargers, this turbine housing lets builders select the A/R ratio that best matches their power and response goals. A smaller A/R sharpens transient response and spool characteristics, while a larger A/R favors peak power delivery at higher engine speeds. The T3 inlet flange and 3″ V-band outlet provide flexible integration with a wide range of manifold and exhaust plumbing setups, making this housing well suited to custom high-performance turbo system builds.

Compatibility & Fitment

• Garrett GT4088R turbocharger
• Garrett GT4094R turbocharger
• Garrett GTX4088R turbocharger

Frequently Asked Questions

What A/R ratios are available for this turbine housing?

This housing is available in .89, .99, and 1.11 A/R ratios, allowing you to select the option that best fits your transient response and peak power goals.

What turbochargers is this turbine housing compatible with?

It is compatible with the GT4088R, GT4094R, and GTX4088R turbochargers.

Is this a divided or undivided turbine housing?

This is a cast T3 undivided turbine housing.

What inlet and outlet configuration does this housing use?

It features a T3 inlet flange and a 3″ V-band discharge outlet.

For builders running a GT4088R, GT4094R, or GTX4088R, this cast T3 undivided turbine housing delivers the A/R flexibility and flange configuration needed to match your exhaust system and power targets with precision.