Enhance your Mazda MX-5 Miata's engine performance with the genuine Mazda P51N13185 air intake hose resonance duct. Designed specifically for models from 2016 to 2021, this OEM part ensures a precise fit and function for your vehicle's air intake system. Crafted with quality materials in Japan, this plastic pipe boasts a matte finish that seamlessly integrates with your engine compartment aesthetics. Measuring 1.25 inches in diameter, 5 inches in length, and 3 inches in width, this resonance duct is designed to withstand the rigors of daily driving, featuring petroleum resistance for longevity. Please be aware it may require relocation of the throttle body, but rest assured, it is a straightforward installation process. Additionally, note the warning for California residents regarding potential cancer and reproductive harm.