Housing, Turbine, GTW3476R T3 Undivided .63 A/R, w/ T31 4 bolt (aka 2.5 4B) exit

The Garrett GTW3476R T3 undivided turbine housing is engineered for enthusiasts running the GTW3476R turbocharger who demand precise, high-flow exhaust housing matched to a narrow-body downpipe configuration. This housing is purpose-built for serious performance applications where flow efficiency and a secure, correctly-matched flange connection are non-negotiable. It’s the housing of choice for builders who want a direct-fit solution without hunting down separate flange and gasket hardware.

Specifications

• Compatible Turbocharger: Garrett GTW3476R
• Turbine Entry Type: T3 Undivided
• A/R Ratio: .63
• Turbine Exit Flange: T31 4 Bolt 2.5″ (aka 2.5″ 4B)
• Included Flange: “T31″ Narrow 4 Bolt 2.5” (down-pipe side) — Product Code ATP-FLS-084
• Included Gasket: “T31″ Narrow 4 Bolt 2.5” (down-pipe side) — Product Code ATP-GSK-012

Performance & Application

This turbine housing is designed for use with the GTW3476R turbocharger in high-flow performance builds. The T3 undivided entry configuration paired with a .63 A/R ratio delivers a housing sizing suited to builders seeking strong exhaust flow characteristics from this turbo platform. The T31 narrow 4-bolt exit format simplifies downpipe integration on setups already configured for this flange style. This housing is best suited for enthusiasts and shops building out a GTW3476R turbo system who need the correct exhaust-side housing and hardware to complete the installation.

What’s Included

• Flange, “T31″ Narrow 4 Bolt 2.5” (down-pipe side) — ATP-FLS-084
• Gasket, “T31” Narrow 4 Bolt 2.