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Piece of Plastic in Rear Wheel Well: What is it?

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Old 11-19-2015, 03:34 PM
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Piece of Plastic in Rear Wheel Well: What is it?

2016 Fit, Canadian base LX model. I have a "Z" shaped piece of plastic in the rear wheel well, just forward of the rear wheel, on both sides. The plastic is flexible and bolted into the frame with one bolt and one push connector. It is strong, and reinforced with ridges. What is it? What is it's purpose? I have no wheel well liners.



2016 Honda Fit, Canadian base, plastic in right rear wheel well, forward of rear tire. What is it?
 
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Old 11-19-2015, 03:51 PM
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It stops the seams from being damaged from road debris. keep that area clean. they all have that.
 
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Old 11-19-2015, 07:30 PM
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it's probably an air deflector to improve mpg. most cars these days have that on the front wheel well, i too noticed this on my wife's GK's rear wheel well.
 
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Old 11-19-2015, 07:52 PM
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Originally Posted by kenchan
it's probably an air deflector to improve mpg.
This is correct.
 
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Old 11-19-2015, 10:24 PM
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Ok, an air deflector. Then why is it not wider? Would it not deflect more air if it spanned the width of the opening? Or does it need to deflect only the air around the tire?
 
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Old 11-19-2015, 11:07 PM
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anyone dig up the part number for that?
 
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Old 11-19-2015, 11:42 PM
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Honda calls it a "strake" and it's #14 and 15 here Toronto Honda Parts - Parts List

They pretty much deflect some air away from the tire, it's more aerodynamic than letting the tire plod its own way thorough the air.

Check out a CRV theirs are a quite a bit longer but IDK if they would attach to a different car easily.
 
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Old 11-20-2015, 07:48 AM
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Thanks for the info. You know your aerodynamic bits.

Originally Posted by sparky5501 from insightcentral.net
Well, strakes are at the front of the wheels under the bumper area, unlike "mud flaps" which are at the rear of the wheels. The Strake helps deflect the air flow around the tire. They are standard from the factory, but might be installed after the dealer gets the car, to prevent injury while on the transport, cos they hang low. They are not an accessory. My Insight has them under the front bumper at the wheel opening. Yes they help with the under car aerodynamics. Clearance... Well, you can't go driving over curbs, and most automotive lifts will scrape the snot out of them, other than that you don't notice they are there...
source
 
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Old 11-20-2015, 05:09 PM
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Originally Posted by ezone
Honda calls it a "strake" and it's #14 and 15 here Toronto Honda Parts - Parts List

They pretty much deflect some air away from the tire, it's more aerodynamic than letting the tire plod its own way thorough the air.

Check out a CRV theirs are a quite a bit longer but IDK if they would attach to a different car easily.
thanks maybe ill try to frankenstein a pair to my GE
 
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