Our flares are designed to fit directly into the rear quarter panel of a van and will extend up to the window in the mid or front panel respectively. Flare dimensions vary for each type of van. For Flare dimensions specific to each van, please refer to the table below to find the flare that fits your van.  144 Sprinter Regular depth flares will extend 3.25” off the rear quarter panel on each side, the extended driver side flare will extend 5". This sleek design does not significantly impact the view in the side view mirrors and allows for full use of the slider door(s). Rear doors can still be opened 270 degrees with the use of an extended door stopper except when rear door ladder is installed.