Grams 3.15" to 3.00" Reducer Coupler allows '06-'11 Civic Si, Subaru BRZ, Scion FRS, and Toyota FT86 Cold Air Intake system owners to install the Grams Performance & Design DBW Throttle Body without struggling to stretch the original coupler over the larger throttle body.
Grams Performance 3.15" to 3.00" Silicone Reinforced Reducer Coupler for 72mm Throttle Body
3.15in. to 3.00in. Coupler
Reducer Coupler
HoseFitting