The grille that I made for it covers those air gaps at the ends with solid stock. The above poster is right (Chuck)? about the lines adding width to the cooler. In my case they added about 4-5" if I remember correctly. So the cooler is hugh with the lines. I chose that cooler cause it was not so tall. But it is very wide. I am pretty sure my cooler wouldn't fit most valences without cutting the tub. 
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Dean
911 SC turbo, 3.0L 930 motor, G50, 930 brakes, DTA EFI, 352 RWHP DynoDynamic dyno,
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