Hybrid Racing Cold Air Intake System (06-11 Civic Si) gift for him this knob fits all Honda

this knob fits all Honda threaded shifters

our shifter stands alone

No more spiral clips

this is from a RHD  vehicle and may not fit absolutely perfect in a LHD

With the same Allen wrench

Hybrid Racing Cold Air Intake System (06-11 Civic Si) gift for him this knob fits all HondaBig 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