Feature 1EXCELLENT REPLACEMENT: Throttle body adapter, perfect replacement for Civic Si 20062013 to better meet your demands. 2LARGE BORE: The throttle body plate has a larger bore than your stock throttle body allowing your engine to make more power. 3DURABLE MATERIAL: Made of aluminum alloy and stainless steel, strong corrosion resistance, rugged and durable. 4HIGH HORSEPOWER: Depending on the intake pipe modification you install, it is expected to increase 210 horsepower. 5GOOD PERFORMENCE: We recommend that you match the intake manifold to the 70 mm intake port and make adjustments to maximize power and driving performance. 6EASY INSTALLATION: The throttle body gasket kit comes with everything you need to complete the install in less than 30min.Item Type:Throttle Body AdapterMaterial: Aluminum alloy + stainless steelFitment: Replacement for Civic Si2006-2013 .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Throttle Adapter2 x Throttle Gasket9 x Screw4 x Gasket1 x Seal Ring1 x Locating Pin1 x Small Bracket