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 20G upgrade kit for EVO 1-3 TD05
Oil feed and return kit Toyota CT9 CT12 CT20 CT26 10AN
Kinugawa -4AN female to -6AN male adapter fitting
BC Camshafts EJ20 stage 2 / 3
BC Camshafts 1JZGTE stage 2 / 3 