PERRIN 19-21 Subaru WRX / 16-18 Forester / 15-19 Legacy Lightweight Crank Pulley - Black YMM_2019_2026_Toyota_Supra_V_A90_J29_DB 5-inch main piping that directs

5-inch main piping that directs exhaust gases efficiently into a large straight-through muffler

straight runs

Spring rate of 190 N/mm provides a balanced combination of comfort and performance

Designed to provide a balanced combination of style

PERRIN 19-21 Subaru WRX / 16-18 Forester / 15-19 Legacy Lightweight Crank Pulley - Black YMM_2019_2026_Toyota_Supra_V_A90_J29_DB 5-inch main piping that directsThe Perrin Lightweight Crank Pulley is a high performance upgrade designed specifically for the 2019 2021 Subaru WRX. Constructed from durable materials, this pulley replaces the stock component to reduce rotational mass, which enhances throttle response and engine responsiveness. Its lightweight design helps improve overall engine efficiency and performance during spirited driving, making it an ideal choice for enthusiasts seeking a more responsive