Integrated pick-up truck bed extender

A method of installing a cargo bed extender on a cargo bed of a pick-up truck, said cargo bed including a tailgate adapted to be lowered to open said cargo bed, said tailgate having an original equipment edge guard trim piece attached atop said tailgate upper edge, said extender being of a type including a generally rectangular rear panel attached to said tailgate;

• forming a replacement edge guard trim piece having the identical configuration as said original equipment edge guard trim piece except for having integral hinge features on the inside thereof;
• forming said generally rectangular rear panel substantially corresponding to the height and width of said to be tailgate, and with integral hinging features able to be interfit with said trim piece hinge features to establish a hinged connection therebetween;
• removing said original equipment edge guard trim piece and installing in its place said replacement edge guard trim piece by the same attachment as said original equipment trim piece;
• installing said rear panel to said replacement trim piece by interfitting said respective hinge feature together to establish a hinged connection.