Shrouding does a lot for your engines cooling. While you don't NEED and under-tray, experimentation with 240sx's showed that radiator cooling panels (top and bottom) made much more difference in coolant temps than what radiator or fan setup they used.pae9132 wrote:is this part really needed at all? my car is lowered and i've messed mine up twice (oem plastic)...so is this piece really needed or is it just nice to have to stop water and trash from getting sucked up?



