ACUITY Throttle Body Coupler for 1891 CURL CONTROL Cold Air Intake System (OEM Manifold / ZDX or Similar Throttle Body)5 ply, polyester reinforced silicone Integral Aluminum Hose Barb for valvecover vent Design for use with ACUITY Curl Control Intake Designed for use with OEM Intake Manifold Designed for use with ZDX or Similar Throttle Body Upgrade your Curl Control Kit to Grow with your Mods: Already own a Curl Control cold air intake but need a new throttle body coupler to convert the kit to work with a different throttle body or intake manifold? We've got you