I installed mine last month. Here is my post on it. Is I had to do again, here's what I would do:
1. Use a straight edge and score each cutout lighlty with a utlity knife. Then use a Dremel or rotary tool with a cutoff wheel and you'll get nice clean cuts.
2. In the corners, use the step drill...
My first vehicle was a 1986 Chevy S-10 regular cab short bed. I bought it used when it was about 10 years old ('95-'96). I get slightly better fuel mileage in my Ecoboost Maverick but not by much. My Maverick is much more comfortable than my S-10's vinyl bench seat. :p
Being easy on my (getting older) knees is the main draw for me. I keep a kneeling cushion under the backseat for climbing into the bed. I've got the drop-in bedliner now. I'm thinking of adding the universal bedrug atop my drop-in. Bedrug advertises this can be done, and instead of velcro, you...
My main concern above what others have shared is the lack of upgraded cooling capacity like the 2.0 EB with 4k pkg since you'll be right on the edge of or over slightly of max capacity.