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Perfect for Legacy GT owners seeking improved rear suspension control
Verify Compatibility: Confirm fitment for your specific year and trim level of WRX
By relocating the air filter away from engine heat sources like the exhaust header and radiator
but it’s important to verify fitment for your specific year and trim before purchase
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GrimmSpeed Lightweight Crank Pulley Black 15-21 WRX / 13-21 BRZ / FRS / GT86 / 14-18 Forester YMM_2022_GT86 Perfect for Legacy GT ownersYour factory crank pulleys job is straightforward: it transfers rotational energy from the crankshaft to the water pump, A C compressor, and alternator via the accessory belt. While it performs reliably, the OEM pulley is unnecessarily heavy. This extra mass is largely the result of inexpensive manufacturing methods and the need to dampen minor accessory drive noisenot because it functions as a harmonic damper (it does not). The GrimmSpeed Lightweight
