These carbon fibre air diversion plates ensure your radiator is recieving maximum air flow to aid in cooling. Not only do they help to reduce engine temps on modified or track / compeition cars, they also look good too! This particular model is designed for the Subaru WRX GDBF.
Note: Image for illustration purposes only.

Kinugawa Japan TD04-12T 4cm 3-bolt 4D56T Pajero upgrade
Adjustable Cam Gears Nissan RB20-25-26 