The plastic evaporative canister used in Jeep Wrangler JK's provides an essential function in the emissions system, but is very vulnerable in extreme off-roading conditions.The all new Rubicon Express JK Evap Skid Plate provides a solution by protecting the canister with a rugged skid plate. The JK Evap Skid Plate formed from 3/16" plate steel to withstand even the hardest hits. It completely surrounds the evap canister to provide all-around protection.