Front fender area question

Texasjeep01

New member
ImageUploadedByWAYALIFE1401683569.461489.jpg Is the rubber fender dust blocker thing needed? I heard it prevents water splashes which could crack the 4.0 just wondering because I want to take it off to reduce heat. Thanks
 
If it isn't having cooling issues I would just leave it on. If it is having cooling issues then I would say taking those off won't fix the issue.
 
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