Civic L4-1590cc 1.6L SOHC (VTEC) (1992)
3.
Use a die grinder to remove 20 mm from the five support ribs shown. Smooth and radius the back edge of each rib after removing the material.
4.
Cut a 10 x 35 mm slot on the left side of the center support rib.
5.
Cut a 10 x 30 mm slot on the left side of the splash shield.