Unleash your WRX/STI's iconic rumble with this direct bolt-on, full 3-inch straight-through exhaust. AWE's Touring Edition ensures a smooth, drone-free cabin, while 180 Technology introduces enticing crackles upon shifting. This configuration perfectly complements the EJ25 engine. Easily switch between Track and Touring Editions with AWE's conversion kits. Fits various Subaru models from 2011 to 2021.