I only sprayed my rocker panel and door sill area. I used the rubberized undercoating though..
Nothing to it but to do it.
SIMPLE AS THAT.
'04 TJ RUBICON, 4.0l auto
2"BDS coils, Rubicon express shocks, 33/12.50/15 Dick Cepek Mud Country tires yellowed out, on Black steel D's.