K&N 2019 Subaru WRX STI 2.5L F/I Replacement Air Filter Seats>Seat Cushions and Pads the higher durometer version of

the higher durometer version of the rear center differential mount

The direct OEM fit makes installation effortless and no cutting or modification is required

Vibrant Performance AN Flare Caps are made from 6061 Aluminum Alloy

The Radium Engineering high flow secondary fuel rail is for the 20B-REW rotary engine originally found in the 1990-1995 Mazda/Eunos Cosmo

K&N 2019 Subaru WRX STI 2.5L F/I Replacement Air Filter Seats>Seat Cushions and Pads the higher durometer version ofK&N washable, reusable High Flow Air Filters feature a state of the art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower. Each performance air filter is reusable, engineered to last for the entire lifespan of your vehicle, and backed by K&N's 10 Year Million Mile Limited Warranty. K&N drop in replacement filters are designed to install easily into your