you guys are crazy.,... lol..
TO ANSWER THE QUESTION.. USE THE "PIGGY BACK" METHOD. FIRST QUAD STANDS UP ON ITS REAR GRAB BAR .. BELLY FACING THE REAR.. NO BED EXTENDER NEEDED.. 2ND BIKE LOAD UP AND FACE ITS REAR GRAB BAR TOWARDS THE CAB AND THE FRONT TIRES WILL JUST SLIGHTLY HANG OFF THE REAR PART OF THE TAILGATE.. ALTHOUGH I CANT EVER FIT MUCH OF GEAR WHEN I DO THAT SO I MADE A HITCH BOX THAT BOLTS UP TO THE HITCH SLEEVE AND I CAN THROW ALL MY GEAR IN THERE..
SHET HE POSTED ALREADY.. BUT YUP THERE IT IS .. ONLY I FACE THE LAST QUAD THE OTHER WAY.. looks badas rollin down the street too!! lol