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Voters: 6. You may not vote on this poll

Rear spoiler = MPG?

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Old May 22, 2022 | 05:12 PM
  #1  
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Rear spoiler = MPG?

I want to remove this spoiler but got to wondering if it had any effect on mpg. Any expert opinions?


 

Last edited by weswunder; May 22, 2022 at 05:14 PM. Reason: Spelling
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Old May 22, 2022 | 05:19 PM
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Keep it. It funnels air down over your rear window to help keep it clear.

As to MPGs--nothing.....
 
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Old May 22, 2022 | 05:36 PM
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Theoretically, the rear spoiler would be deflecting some air downward to help fill the vacuum void behind the EX at speed. In reality, most spoilers like that have more drag than the vacuum filling they can provide. I’d say it’s a wash at best, but as said above it does help to keep the rear window cleaner. And if you were to remove it you will have some holes in the hatch to deal with, not worth it my opinion.
 
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Old May 22, 2022 | 10:56 PM
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Remove it and sell it to me for gas money, kinda the same as better mpg
 
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Old May 23, 2022 | 05:31 AM
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That thing is worth a few hundred....!!!!!!
 
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Old May 23, 2022 | 07:58 AM
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Was that a factory option? or an aftermarket?
 
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Old May 23, 2022 | 05:12 PM
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The Ford branded rear air deflector was a Ford Accessory.
 
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Old May 23, 2022 | 08:22 PM
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That one that you have won’t do much of anything.

this is what I used when I was towing my TT. Gained .5mpg by using it and got rid of the bugs plastered on the front of the trailer. .5 may not seem like a lot, until you’re on a 4K mile trip. The savings add up quick!



 
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Old May 24, 2022 | 04:05 PM
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you'll impact your MPG more by removing the roof rack cross bars.
 
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Old May 24, 2022 | 10:26 PM
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Plus there's the part about how they're useless, cause rust, and make noise at higher speeds.
 
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