A Vehicle Specific item is specifically designed for the exact measurements of your vehicle. No alterations are required.

A universal fit item is designed to fit and work with almost any vehicle. It will work with your vehicle, but may require some modifications to fit exactly.
 
CLASSIC ACCESSORIES DELUXE POLY PRO III BREATHABLE 5th WHEEL RV COVERS WITH ZIP-UP PANELS
$358.99
Full-height zippered panels allow complete access to the door, side and rear.