...I've been drawing up a Design of these (see pic) to fit the Pantera Trapezoid.
I have a technique to cut them Exact Absolute.
8 Slats @ 5.95" Inches Wide. With 4" of Deck exposed at the rear. Straight as Shown, Inside the Deck 'Sides'. Below the Top of the Deck Line. Each slat aimed and adjusted by Lazer. .090" Aluminum is on the way!