| model years. Most the IC duct work changes I have seen are primarily aftermarket pieces. These consist of two (2) types: First, different front facia ducting to designed to channel more air to the wider and/or deeper ICs. The second type are louver plates on the wheel well liners located behind the ICs. These are designed to relieve backpressure and provide an efficient escape for the post IC airlfow. Factory brake cooling designs consists of the scoops on the pic Bernie posted (pass side missing) which channel air rearward into the air diverters attached to the tie rods. These deflect air across the calipers and rotors to be [in theory] sucked outward by the directional fins on the EOM wheels.
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