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The Mishimoto Civic Si Performance Air Intake is engineered for 2006–2011 Honda Civic Si models to replace the restrictive stock airbox. The kit delivers dyno-proven gains of about 8 hp and 6 lb-ft while maintaining safe air/fuel ratios, fits with the stock tune, and installs in under an hour. It uses a mandrel-bent aluminum pipe with a CNC-machined MAF housing, an oiled reusable filter with 85% greater surface area, and an optional black heat shield.
Mishimoto 06-11 Honda Civic Si Performance Air Intake w/ Heat Shield - Wrinkle Black
