I have to say I'm a little sad that my topper is on the home page with bad pictures and bad testing
(but that is just my pride speaking). It does make me happy that a person can make it in a day +/- with cheap materials and basic tools.
I'm also pleased that a person can get real MPG improvement. I'd just like to be able to clarify how much and at what speeds.
I really need to do some more rigorous testing at a higher speed (typical freeway speeds). I would also like to do better tuft testing and perhaps make a few tweaks to clean up some airflow.