BedRug Impact Mat - Works With Spray-In Or No Bed Liners 6'5'' Short Bed Model IMQ17SBSBedRug Impact Mat Works With Spray In Or No Bed Liners 17 23 Ford Superduty 6. 5' Short Bed Model IMQ17SBS The BedRug Impact Mat is designed specifically for trucks that have an existing spray in liner or no bed liner. The all new design has an integrated tailgate gap guard hinge that connects the bed piece to the tailgate piece. The TPO composite top layer construction offers a flat work surface, that is slip and skid resistant. The " padded under