Focused Audio Precision - DS18's PRO-SDF6 delivers precision-engineered audio projection, designed for competitions and local car meets. Unleash focused beams of energy toward the crowd, ensuring a powerful and immersive sound experience Secure Fit with 161mm Speaker Bolt - Benefit from a secure fit onto your 6.5 Mid-Range Loudspeaker, even with increased bass levels. The 161mm Speaker Bolt ensures stability, allowing you to enjoy uninterrupted, high-quality sound without compromise Durable and Long-Lasting - With a robust 6mm thickness, the diffuser guarantees durability and extended longevity. Your investment in superior audio won't go to waste enjoy a long-lasting and impactful audio experience at every event Easy Installation - The PRO-SDF6 comes equipped with 4-M4 Nut-Inserts, making installation a breeze. Skip the hassle of searching for additional hardware we've got you covered. Quickly and effortlessly install the PRO-SDF6 to start dominating the competit