Excellent Compatibility: The speaker spacer ring bracket fits Subaru Forester 2008-2018, Subaru Impreza 2014-2020, Subaru Outback 2003-2020, Subaru WRX/STI 2008-2019, Subaru Crosstrek 2011-2017, Subaru Legacy 2003-2014, and Subaru Levorg 2016. Reliable Material: This front door speaker spacer ring is made of high-quality plastic material that can withstand high temperatures, is resistant to wear and tear, and offers greater stability and durability compared to wooden brackets. Provides reliable protection for your speaker with good plastic hardness and stability. Protect Tone: The speaker adapter helps protect your speakers, improves sound quality performance, enhances bass and audio clarity, and optimizes overall audio system output. Main Function: This design effectively reduces resonance at the speaker installation point, improves mid-range frequency clarity, and delivers deeper low frequencies for an enhanced audio experience. Easy to Install: Installs directly into the existing opening; the adapter is pre-shaped for simple insertion. Can be modified if needed. Applying a small amount of silicone adhesive around the speaker opening on the door may help absorb vibration and provide a more secure fit. Color: Black Material: Plastic Package Contents: 2 x Front Door Speaker Adapter Note: Light reflection and different display settings may cause slight variations between the color shown in the image and the actual product. Measurement may vary by up to +/- 1-3 cm.