Hybrid Racing Cold Air Intake System (06-11 Civic Si) Silicone Coupler or RBB should also accept

or RBB should also accept this rail

and upgraded stainless steel swivel support tubes (oem are plastic) that are known to break on the OEM cables

Their thermostats are used in over 50% of cars manufactured in Japan and are widely utilized in motorsports events such as Le Mans and WRC

Reusable and Washable

The larger diameter piping allows for increased exhaust flow

Hybrid Racing Cold Air Intake System (06-11 Civic Si) Silicone Coupler or RBB should also acceptBig tube, big power! We spent countless hours designing, testing, and refining this design to ensure it was the absolute best intake available for the 8th Gen Civic Si platform. This intake is designed to make big gains on any setup, from totally stock to high lift cams and huge exhausts. Dyno graphs are provided to show the intake's effectiveness against its competitors, but for example, we saw 14hp peak gain and 9hp average gain against the stock