Mods: screen door lock, plexiglass screen protection, separated step light from awning LED strip, separated ceiling hall light from kitchen area, installed Pre-Pressurized Accumulator (water tank), replaced bath fan with Vortex fan, replaced factory roof vent knobs with long reach casement window cranks, installed MaxxAir roof vent covers, awning arm tensioners,
window valance storage, adapted Coleman Road Trip gas grill to rear propane port, lock for propane tanks, secured rear bumper caps, added extra 12 volt outlet by sofa, built adapter cable for exterior 12 volt solar jack, 4 bay UHF antenna mounted to 14' mast, provided access to unused 32 x 22 x 20 cavity, installed 20 amp fused AC outlet directly to junction box under sofa, wall mounted bedroom TV, AC power to slideout dinette,
Here's a photo link to some of the mods I've done to my Launch Ultra Lite 24RLS:
https://goo.gl/photos/y4DzwXfXqGh2vBSZ7