Tomei ARMS Mx-Series Turbocharger - Part Number: TB401A-SB01B

Elevate your driving experience with the Tomei ARMS Mx-Series Turbocharger, specifically designed for Subaru enthusiasts who demand performance without compromise. The TB401A-SB01B model is a testament to Tomei's commitment to innovation, showcasing a lightweight billet wheel and a multi-rate billet actuator that enhances both power and efficiency.

Key Features:

Multi-Range Billet Actuator: This turbocharger comes equipped with a robust multi-rate billet actuator, featuring six springs for precise boost adjustments. Combine up to three springs to tailor your setup for optimal performance, while the swivel type nipple provides flexibility in hose routing.
Billet Compressor Wheel: The newly engineered billet compressor wheel is crafted from aerospace-grade materials, ensuring durability and improved airflow. Its thinner blades and larger surface area contribute to quicker spool times and enhanced overall performance.

Specifications:

Model Compatibility: Subaru WRX EJ20 (1994-2020), Subaru WRX STI EJ20 (1994-2007), Subaru WRX EJ25 (2006-2014), Subaru WRX STI EJ25 (2006-2007)
Compressor Wheel:
- (A) IND (mm): 52
- (B) ExD (mm): 68
- Trim: 6
- Material: A261
- Production: CNC Billet
Turbine Wheel:
- (C) ExD (mm): 5
- (D) IND (mm): 6
- Trim: 7
- Material: K41
- Production: Cast
Compressor Housing:
- IND (mm): 53
- ExD (mm): 41.63
Turbine Housing:
- IND: 45
- ExD: E
- A/R: 0.57
Initial Boost Setting: 1.0 kgf/cm²

Installation Instructions:

For detailed installation instructions, CLICK HERE.

Customer Feedback:

"I installed the Tomei TB401A-SB01B on my WRX, and the difference is night and day! The throttle response is crisp, and I love how quickly it spools up. Highly recommend!" - Mike, Subaru Enthusiast

"This turbocharger has transformed my driving experience. The build quality is impressive, and the tuning options are a game changer!" - Sarah, Performance Driver