• Free your 05 - 09 Miata from factory air box size restrictions. • Enjoy increased airflow and power across the RPM range. • The large open - air filter captures more dirt and lasts up to 100,000 miles before cleaning. K&N 57i Series induction kits are designed for different vehicles, offering economical solutions based on vehicle characteristics and hood space. They provide better airflow than O/E replacement filters, with all adapters made from high - quality materials. Note: Not legal in California and states adopting California emission standards.

Use this intake kit when you want to boost your 05 - 09 Miata's performance. It's great for car enthusiasts who love to get the most out of their vehicles. While exact size and weight aren't specified, it's built with high - quality materials like steel, aluminum, silicon, or reinforced nylon for long - lasting use.