Easy to install, 10X brighter than OEM bulbs. These do require a lil bit of technique to install, and NO you do not need to do any cutting or modifying of the map light trim to get these to fit.1) Using a small flat blade screw driver, carefully remove the round map light lenses. BE careful not to let the tool slip and scratch your trim/lenses. Be mindful of the lens mounting prongs, they can be broken if you use too much force or hurry this step. IF You break a prong, The lenses will not stay iSee full review