BorgWarner 178789 S400SX 1.10 A/R T4 VTF Turbine Housing for Universal Fitment

Vehicle Fitment

• Universal Fitment - Compatible with BorgWarner S400SX3 turbochargers

Features

• Designed for high-performance applications
• 1.10 A/R ratio for optimal exhaust flow
• Divided T4 inlet flange for precise turbo alignment
• V-band outlet for secure and leak-free connection
• Cast iron construction for durability and heat resistance
• Twin Flow (VTF) volute design for improved spool and efficiency
• External wastegate compatibility for enhanced boost control
• Ideal for drag racing, road racing, and performance tuning

Specifications

• Part Number: 178789
• Brand: BorgWarner
• Type: Turbine Housing
• Turbo Series: S400SX3
• Compressor Wheel Size: 87mm
• Exhaust A/R Ratio: 1.10
• Inlet Flange: Divided T4
• Outlet Flange: V-band
• Material: Cast Iron
• Wastegate: External

Included Components

• 1x BorgWarner 178789 S400SX 1.10 A/R T4 VTF Turbine Housing

Product Description

The BorgWarner 178789 S400SX 1.10 A/R T4 VTF Turbine Housing is engineered for enthusiasts seeking to maximize the performance of their S400SX3 turbochargers. With a 1.10 A/R ratio, this housing ensures efficient exhaust gas flow, promoting quicker spool times and enhanced top-end power. The divided T4 inlet flange allows for precise alignment, while the V-band outlet provides a secure connection to the rest of your exhaust system.

Crafted from durable cast iron, the 178789 turbine housing is built to withstand the high temperatures and pressures associated with high-performance applications. Its twin-flow (VTF) volute design improves exhaust gas routing, further aiding in turbo efficiency. Designed for external wastegate setups, this housing is ideal for drag racing, road racing, and custom performance builds.