GReddy INTERCOOLERS: Nissan 300ZX 1989-97 / Type 15R - Manual (Page 8)

(3) Install the Airinx assembly to the factory
piping as shown.
3-7 Bumper reinforcement modification and installation
(1) Cut the shaded area on the bumper reinforcement as shown, and install the
factory fog lights.
(2) Install the bumper reinforcement back on with the factory hardware.
3-8 Bumper Modification and Installation
Cut the shaded area on the bumper as shown, and install it back on.