PRODUCT: Performance Cast 74mm Throttle Body. You would need to port your OEM intake manifold to match the 74mm throttle body in order for the butterfly plate to open! Also for Integra GSR you would need to modify the throttle cable.
Racing Version 74mm Cast Throttle Body For B-Series Honda B18A B18C B16 VTEC
Performance 70mm Cast Throttle Body W/ TPS & MAP For B Honda B18A B18C B16 VTEC
Skunk2 Pro Series 74mm Thermal Throttle Body Gasket w Hardware for Honda B/H/F
For Mercedes E55 AMG M113K SL55 CLS55 74mm-82mm Throttle Body Adapter Plate Kit
K-Tuned 74mm DBW Throttle Body Civic Si 06-15 S2000 06-09 ILX 13-15 TSX 09-14
Skunk2 Pro Series 74mm Thermal Throttle Body Gasket for Honda K Series K20 RSX-S