I use their shield and no complaints. Didn’t need the dp cover but it’ll work like it shouldFedEx dropped off an ECS tunnel shield.
Kind of an impulse purchase but figured it couldn't hurt to have a little extra protection to supplement the engine guard during camping trips. There have also been a fair amount of catalytic converter thefts in my neighborhood and while they're mostly Priuses (Prii?) and trucks, I figured this could act as a deterrent for the less determined thieves. Also, I just thought it was cool!