Quote:
Originally Posted by jabrabu
The stock E450 already draws air from forward of the radiator, so I can't see that a cold air kit is going to do make any significant difference. If the new intake piping is less restrictive before the filter then that might help a little at high rpms, but probably still insignificant. I also wouldn't want to do anything that increases noise from the engine bay.
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The filter is mounted at the entry point and pipe is bigger, better curved (less restrictive?) so it should help some. As others have pointed out, to what degree is questionable. Only one way to find out. Go for it.
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