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On my 2013 Kia Rio, there is a plastic strip underneath the front bumper that has been almost entirely torn off - undoubtedly due to the occasional times I've pulled up a bit too close to a curb (this is the piece that scrapes on the concrete when that happens).

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Apparently, it's proper designation is "LIP - FRONT BUMPER 86525G". I can get a replacement for under $25, and it looks easy enough to install - my question is should I even bother? Frankly, it doesn't look like this part serves any purpose other than scraping on the concrete when I pull up too close to a curb. I'm sure I'd just destroy the replacement within a few months - the front of this car slopes so sharply that I cannot see the hood at all from inside, so I have a hard time judging exactly where the bumper is.

Pᴀᴜʟsᴛᴇʀ2
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jasonharper
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2 Answers2

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While I completely agree with what @JPhi1618 says as the reasons for the lip being there, I disagree with his assessment as to if you should replace this. While it's not very large, these do help with airflow through the radiator. Even the smallest lip creates a low pressure zone behind it which helps bring air down through the radiator while moving. This helps with cooling and you'll probably notice a big difference in cooling efficiency when driving, especially when at speed. Since the cost of this piece is relatively low and easy of installation seems to be on your side, my recommendation is to replace this part.

Pᴀᴜʟsᴛᴇʀ2
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These plastic trim pieces do a few things.

They help with aerodynamics to reduce drag of the air under the car, and in some instances, can help create a low-pressure area that helps draw more air through the radiator. It may even stiffen the lower edge of the bumper so it doesn't flap in the wind at high speeds.

The other, more dubious purpose, is to serve as a warning that you're about to drag your oil pan over a curb or parking lot tire stop.

The one on your car is so small, I would just take it off the rest of the way so it doesn't look trashy, and call it a day. I wouldn't replace it.

JPhi1618
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