for the radiator which would lower water temps specially for the ones running a FMIC. Track cars would benefit even more since they run at high speeds most of the time they are used. The vents are not too big, but you'll still get some extra air flow that will be much appreciated by your cooling system.
'90 Blue Nissan 300ZX Twin Turbo '91 White Nissan 300ZX Twin Turbo '93 Blue Mazda RX-7 R1 Twin Turbo '90 Black Nissan 300ZX Naturally Aspired (SOLD - 08/23/05) VIDEO: TwinZ Design rear bumper with diffuser - For sale @ Z1 Motorsports ![](http://i778.photobucket.com/albums/yy62/TwinZ_Design/Bumper%20with%20Diffuser/TwinZ300ZXTTnetsig.jpg)
|