Industrial 178788 BorgWarner 1.0 A/R T4 Turbine Housing for S400SXS | Universal

Features: - Fits BorgWarner S400SX3 turbochargers - 1.00 A/R for balanced spool and flow - T4 inlet flange for easy mounting - Twin scroll design for improved efficiency - Built for 87.37mm turbine wheel - Ideal for custom turbo applications - Supports strong mid-range and top-end power - Durable cast construction for high heat use Heavy-Duty Turbine Housing by Industrial Injection If you're dialing in a custom turbo setup and want to fine-tune how your S400SX3 performs, the Industrial 178788 BorgWarner 1.0 A/R T4 Turbine Housing is a smart, performance-focused upgrade that brings balance to the table. Whether you're building for street, towing, or weekend pulls, this housing helps deliver quicker spool-up without choking top-end flow, ideal for drivers who want responsive power without sacrificing capability. With a 1.00 A/R and twin-scroll volute design, it’s built to take full advantage of the 87.37mm turbine wheel, optimizing exhaust pulse energy and improving turbine efficiency. That means better throttle response, smoother mid-range acceleration, and consistent high-RPM performance, especially in compound or large single setups. The T4 flange makes for a straightforward install in a wide range of builds, giving you flexibility and compatibility with common manifold designs. Fits: Universal Notes: - Fits BorgWarner S400SX3 turbochargers - 1.00 A/R offers balance of spool and flow - T4 inlet flange provides easy manifold fitment - Twin scroll design improves exhaust pulse efficiency - Designed for 87.37mm turbine wheel compatibility - Ideal for custom single or compound turbo builds - Supports quick spool with strong top-end power - Cast from high-temperature durable materials - Universal fitment across wide performance platforms - Commonly used in towing, racing, and street builds - Allows fine-tuning of S400 turbo response - Backed by Industrial Injection performance expertise