BorgWarner - S300SX3 Twin?Scroll Turbine Housing 1.00 A/R – 177209

BorgWarner part 177209 is a robust twin-scroll turbine housing with a 1.00 A/R ratio and T4 inlet, engineered for S300SX3 turbo systems to optimize exhaust energy and boost response in high-performance applications.

Included

• Cast-iron twin-scroll turbine housing (1.00 A/R, T4 inlet, V-band outlet)

Key Features

• Precision cast construction for durability
• 1.00 A/R tuning for balanced spool and top-end performance
• Twin-scroll design for improved exhaust pulse separation
• Universal fitment for S300SX3 setups

Fitment

Designed for use with BorgWarner S300SX3 turbos featuring 76/68 mm turbine wheels—commonly found in drag, road-race, and diesel performance builds; always confirm compatibility before installing.