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AVO Intake for 2008+ STi
Featuring a velocity stack design for maximum air flow with minimal turbulence, AVO’s Power Air system is an easy to fit bolt-on item that helps the engine breath a bit deeper. Specifically designed to accept the stock MAF sensor. The filter element is composed of cotton with a special dry-film system, and is washable and fully re-usable. It can be washed by soaking it in hot water with a bit of dish soap, then air drying it.