Some people do, some people don't. I didn't have to on mine but then again I don't have factory carpet in mine. Don't know if that makes a difference

__________________
98 xlt 3.0 • 5.5 Fabtech lift • Expo 8.8 w/ 4.10s LSD • 33" BFG A/T • 15" Eagle Alloys • '06 Tails • LED Third Brake Light • Projector style headlights • Thunderbolt Turn Signal Mirrors • Spray-on bedliner • Cat-back exhaust with Gibson tip • OHC • Indiglo Guages • Pioneer Flip-up screen • 12" Alpine Type R sub • Memphis Audio Amp • Window auto down mod • EATC • Explorer Center Console