Skunk2s 84mm - 90mm Big-Bore Throttle Body Cold-Air Intake Coupler allows for easy installation of Skunk2s '06-'11 Civic Si Cold-Air Intake when using a Pro Series Throttle Body or similar (also compatible with OEM TL throttle body). Simply replace the Cold-Air Intake systems included silicone coupler with Skunk2s 84mm - 90mm version for a simple, factory-like fit.
Throttle Body Cold Air Intake Coupler; 84-90mm TB Opening;
Fitment:
Honda Civic Si 2006
Honda Civic Si 2007
Honda Civic Si 2008
Honda Civic Si 2009
Honda Civic Si 2010
Honda Civic Si 2011





