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The Mishimoto 2006–2011 Honda Civic Si Performance Air Intake replaces the stock airbox with a mandrel-bent aluminum intake and serviceable oiled filter to increase flow and engine sound. Dyno-proven gains are approximately 8 hp and 6 lb-ft on the stock tune, and the kit installs in under an hour using included hardware. An optional black powder-coated heat shield reduces heat-soak for cooler intake temperatures.
Mishimoto 06-11 Honda Civic Si Performance Air Intake - Wrinkle Black
