Yep. Faceit is fully undetected even using the non-league version of LeagueCheats. There are some powerful settings (imo) that make you play like a god and it still looks legit as hell. You can most likely use fovs like 5-7 and be fine if your smooth/supersmooth isn't too low.
Staff members and other LC users have posted their settings for Faceit & MM in the VIP section so you'll definitely have plenty to choose from.