Windshield wiper

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The effect of front and rear wipers on airflow varies from vehicle to vehicle. Some people use RainX and remove their wipers completely, which is a bit risky and not advisable. Others, however, simply remove the blades and store them in their car. When rain threatens, you can easily throw the blades back on. If you're worried about airflow over the wipers, this is probably your best option.

Another hair-splitting option is to replace your blades with a lower profile style.

Some people remove only the passenger side wiper.

Some people keep their wipers installed but put a cover over the wipers resting position to ensure air flow does not hit the wipers when they are turned off.

A related modification is to use a switch to stop the wipers when they are in the verticle position as it will give lower aerodynamic resistance.

Instructions for mod

Remove by unscrewing windshield wiper. Recommend keeping wiper in the boot of the car incase of poor weather

User experiences

Please enter your user name and any relevant data in the table

User data
User Name Car Make, Model, Year Cost of Mod Time to Perform Mod MPG Before Mod MPG After Mod MPG improvement guess Instruction Link
Saand Mazda, 626, 1991 $0 0.5 Hour

Problems / Consequences of mod

Poor visibility in wet weather.

Drivers with only driver side wiper can have poor visibility in wet weather when turning toward the passenger side.


Forum thread links

Windshield Wiper Cowl / Cover / Blocker Thingy?
Wiper Deflector on a Toyota Echo

External links