Item description from the seller

Item Included: Gasket with Screw

Mounting Style: Flange-Mounted

OEM / Non-OEM: Non-OEM

Inlet / Outlet: 1.65" / 2.01"

Fitment:

88-00 Honda Civic D-series Engine SOHC

88-91 Honda CRX D-series Engine SOHC

93-97 Honda Del Sol D-series Engine SOHC 

SOHC Engine Only

For Year and Model, Please Check Compatibility