Mishimoto Performance Air Intake for Honda Civic Si 2006-2011

Mishimoto Performance Air Intake for Honda Civic Si (2006–2011) Gain power, sound, and reliability with the Mishimoto Performance Air Intake engineered specifically for the 2006–2011 Honda Civic Si. This complete bolt-on kit replaces the restrictive stock airbox to deliver measurable gains and a more aggressive intake tone—especially when VTEC engages. Proven performance: Dyno-tested to provide +8 horsepower and +6 lb-ft torque while maintaining safe air/fuel ratios. Precision engineering: Mandrel-bent aluminum intake pipe with your choice of polished or black powder-coated finish and a CNC-machined MAF housing for consistent, accurate readings. Thermal protection: Powder-coated heat shield reduces heat soak by isolating the filter from the hot exhaust manifold, lowering intake air temperatures for more consistent power. High-flow filter: Mishimoto oiled, serviceable filter offers 85% more surface area for improved airflow and long-term filtration—washable and reusable for a lifetime of use. Easy installation: Includes silicone coupler, clamps, and all hardware. Installs in under one hour and works with the stock tune—no ECU changes required. Designed in USA: Delaware-designed product backed by the Mishimoto Lifetime Warranty. Whether you’re commuting, autocrossing, or just want a sharper driving experience, this intake provides reliable power gains, a smooth powerband, and an aggressive intake note—an ideal upgrade for any 2006–2011 Civic Si owner.