BorgWarner 179391 EFR 7064-D Turbocharger T4 Twin Scroll 1.05 A/R

The BorgWarner 179391 is a complete EFR 7064-D turbocharger featuring advanced engineering designed for high-performance street, drift, and road racing applications. This turbocharger delivers incredibly fast spool and response while working well on stock and heavily modified engines.

Key Performance Specifications:

• 52mm compressor inducer diameter with 70mm compressor wheel outer diameter and 64mm turbine wheel outer diameter
• 56 lb/min maximum airflow with potential for 560 horsepower
• Capable of delivering 45+ psi of boost
• 1.05 turbine A/R with T4 twin flow turbine inlet
• Ideal for single turbo applications in the 300-550 horsepower range, or twin turbo setups producing 650-1000+ horsepower

Advanced EFR Technology Features:

• Low inertia 64mm Gamma-Ti (gamma titanium aluminide) turbine wheel
• Dual ceramic ball bearing assembly with metal cage for reduced friction
• Forged milled compressor wheel (FMW) fully machined from forged aluminum billet
• Integrated Compressor Recirculation Valve (CRV) to prevent surge
• Investment cast stainless steel turbine housing for improved durability
• Included Boost Control Solenoid Valve (BCSV)
• Speed sensor mounting provisions on compressor cover
• 3.5-inch compressor inlet and 2-inch outlet

The EFR Series combines BorgWarner's engineering expertise with advanced race-grade technology using high-end composite materials to virtually eliminate spooling lag while maintaining massive power gains. This turbo uses the mid-size EFR ported-shroud compressor housing, making it ideal for fitment in cramped engine bays.