Fits all WRX model years from 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 and STI model years from 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021 Shift knob functions perfectly with factory installed reverse lockout Machined with precision, custom anodized, and laser engraved shift pattern in Lancaster PA USA Ergonomically designed for ease of install (NO Modification Required), comfort, and enhanced shifting Scratch resistant anodized aluminum surface Billetworkz Cosmic Space Shift Knob Compatible/Replacement for Subaru 6 Speed WRX 2015-25 / STI: 2004-21. It is designed to precisely work with the factory reverse lockout. The multi color designs are represented in the pictures, but no two knobs are exactly alike. Machined with precision, hand polished, and custom anodized in Lancaster PA USA. An aluminum threaded insert will be included to allow for proper fitment.