Upgrade your Subaru WRX STI’s performance with the Competition Clutch Lightweight Flywheel, designed specifically for 2004-2021 models. This premium flywheel reduces rotational mass to improve acceleration while maintaining low-end torque and everyday drivability, making it an excellent choice for street-driven and naturally aspirated vehicles.

Crafted from durable 4140 forged steel, this one-piece flywheel is stamped under 2000 tons of pressure at 1260 degrees, ensuring exceptional strength and longevity. CNC machined and balanced to OEM specs, it supports both stock and performance clutch assemblies. Weighing just 15 lbs, it pairs perfectly with Stage 1 and Stage 2 clutch kits and meets or exceeds SFI 1.5 safety standards for reliable performance.

Ideal for Subaru enthusiasts seeking a durable, high-quality drivetrain upgrade without sacrificing daily usability, this flywheel delivers consistent power gains and enhanced throttle response. Trust Subimods for specialized Subaru parts that elevate your driving experience. Shop the Competition Clutch Lightweight Flywheel today and feel the difference on every drive.