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Tuned and dyno-tested to improve acceleration and engine sound
General spirited street driving
More Sound — Deliberately So
Modeled in 3D and validated using Computational Fluid Dynamics (CFD)
Competition Clutch Lightweight Flywheel - 2004-2021 Subaru STI Subaru-Crosstrek-2024 Tuned and dyno-tested to improveThe Lightweight Flywheel will save weight while increasing the engine response in the Subaru STI. Competition Clutch Lightweight Flywheel Lightweight Flywheel Specs: Qualities of the CCI Lightweight Steel Flywheel: Preserves low end torque and driveability One piece ring gear for high durability Well suited for Stage 1 and Stage 2 clutch kit applications Stamped with 4140 plate with 2000 ton pressure at 1260 degrees CNC machined and balanced to O. E.