The more air your sled can get the happier it is. Install this vent into the intake of your sled and let it breath freer. Push darts are used instead of rivets since it's in the intake of the sled. 
 
Made in the U.S.A.
Aluminum frame construction Frames painted to match color of vents
Materials are double-layered to keep out fine snow dust and allow for maximum airflow
Rivets and backing washers provided
All intake vents include plastic push darts
Our goal is to make the vents look like they are meant to be there.
Our outer material is made of woven PVC coated polyester yarn that is formulated to withstand solar abuse and is a superior product to other screens in solar protection, strength and longevity.