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2018 Ford Mustang Ecoboost Premium
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ever since installing my CPE intercooler, Ive been considering replacing the lower grill to get some more airflow to the IC. I'm in FL so obviously, more airflow = Cooler Tems during the summer. Can anyone tell me if there is a significant difference in charge temps by replacing that lower grill? is there a common "home grown" mod for the lower that I am missing that will improve the airflow across the IC?
 
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ever since installing my CPE intercooler, Ive been considering replacing the lower grill to get some more airflow to the IC. I'm in FL so obviously, more airflow = Cooler Tems during the summer. Can anyone tell me if there is a significant difference in charge temps by replacing that lower grill? is there a common "home grown" mod for the lower that I am missing that will improve the airflow across the IC?
I originally opened up my stock grille and found a lot of air going around my intercooler. I then built air dams to force 100 percent of the air that entered the lower grille though the OEM intercooler.
 

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My Mustang is an ever changing creature. If I go way back, even before this picture was taken, I used sheet metal and OEM plastic to collect and direct air across my stock intercooler.
I later, relocated my intercooler and used this space and duct work/air dams, for my intake air.
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Since then, I have installed a full race intercooler and am currently working on new air dams and duct work for both my intercooler and intake air.
 

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We have some of the hottest summers in the world esp in the outback. TBH I don't think you see much gain changing the lower grill. The OEM lower grill with an updated FMI seems to work just fine on 40+days.
 
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