AFE: Magnum FLOW Pro DRY S Air Filter 5F x (9x7-1/2)B x (6-3/4 x 5-1/2)T x 7 H in double This stage ups the pulley

This stage ups the pulley ratio

2019 Subaru WRX/ STI Cat-Back Exhaust System

Model: 4138009A

(Per Heat Exchanger)  The manufacturer is in the process of moving to a bigger facility which has caused delays in manufacturing

BMR CNC-machines the ELK011s from 6061-T6 billet aluminum

AFE: Magnum FLOW Pro DRY S Air Filter 5F x (9x7-1/2)B x (6-3/4 x 5-1/2)T x 7 H in double This stage ups the pulleyWith three layers of progressively finer mesh synthetic media between 100% polyurethane top and base, this high flow, "oil free" conical performance filter provides maximum convenience and easy maintenance with excellent airflow. Washable and reusable for multiple cleanings, the tall open evenly spaced pleats provide excellent dust holding capacity for longer service cycle between cleanings. Pliable polyurethane flange with integrated bumps insures