Normalize Fender Flare Lip Thickness

I have a completed front-fender-flare model for a Ford F-450, but the front lip ended up thicker on one end and thinner on other end. I want that lip to match the thickness used on the thin side throughout the rest of the part so it looks consistant... (Budget: $100 - $300 USD, Jobs: 3D CAD, 3D Design, 3D Drafting, 3D Modelling, 3D Printing, 3D Rendering, AutoCAD, CAD / SolidWorks, CAD/CAM, Solidworks)