The Mishimoto MMRT‑MUS‑15EBK Black Aluminum Coolant Expansion Tank is a premium upgrade designed specifically for 2015–2023 Ford Mustang models with EcoBoost, V6, and V8 engines. Constructed from TIG‑welded 6061 aluminum with a sleek black finish, this expansion tank replaces the factory plastic reservoir with a more durable and visually appealing option.
