Mishimoto Airbox 2015-2021 STI

Enhance your 2015-2021 Subaru WRX STI’s performance and engine bay style with the Mishimoto Airbox. Designed to complement your Mishimoto Performance Air Intake, this premium airbox channels more cold outside air for improved efficiency and throttle response. Its durable steel construction and sleek black powdercoated finish add a clean, polished look under the hood.

This airbox includes protective edge strips and all necessary hardware for a seamless installation. When paired with the stock plastic intake duct, a trimming template ensures a perfect fit. Beyond aesthetics, it can provide a more accurate MAF reading, supporting reliable datalogging and tuning for enthusiasts focused on precision. Backed by the Mishimoto Lifetime Warranty, this airbox is built to last.

Ideal for Subaru WRX STI owners seeking a quality upgrade that blends style and function, the Mishimoto Airbox is a smart addition to your intake setup. Improve airflow and engine bay appeal today—shop with confidence at Subimods.