Fujitsubo Legalis Super R Cat-Back Exhaust – Subaru Impreza WRX STI GDB

The Fujitsubo Legalis Super R is a high-performance cat-back exhaust system engineered for the GDB Impreza WRX STi. This premium exhaust pursues thorough efficiency with a compact bullet-shaped design for both main and sub silencers, featuring a straight-through internal structure that prioritizes maximum flow and power delivery.

Performance Gains

• Power: +9PS (299PS vs 290PS stock) at 6310rpm
• Torque: +2.3kg·m (41.0kg·m vs 38.7kg·m stock) at 4560rpm
• Acceleration: Improved 40-120km/h time (4.5s vs 4.6s stock)
• Weight Reduction: 12.6kg vs 15.2kg stock muffler

Design & Construction

• Compact bullet-shaped silencer design with straight-through internals
• Premium stainless steel construction with distinctive hairline finish
• φ117mm round slash outlet (Type II, hairline finish)
• 76.3mm pipe diameter for optimal flow
• 126mm ground clearance (measured 326mm behind rear axle)

Sound Characteristics

• Idle: 73dB (vs 62dB stock)
• Deep, sporty exhaust note without excessive drone
• Engineered for performance enthusiasts seeking an aggressive tone

Fitment

Direct bolt-on application for:

• GDB Impreza WRX STi (2000.10-2004.6)
• GGB Impreza Sports Wagon STi (2000.10-2002.10)
• GDA Impreza WRX (2000.8-2002.10)
• GGA Impreza Sport Wagon 20K (2000.8-2002.10)

Special Notes: Common to GDB Spec C. Sedan models compatible with factory rear under spoiler. Sport Wagon models cannot be installed with factory rear under spoiler. Vehicles from November 2002 to June 2004 require bending of the floor shield above the rear silencer.

Japanese certification: 98 R00446