My suggestion for H&S:
1.Add “no radar” version
chagnes for Hiders: no Seekers on map (now I can just roam around contoling where they are), chase breaker can stay, because it would be much harder to avoid Seekers.
changes for Seekers: no radar, ping probably would need to be changed to some kind of sonar OR add new perk “radar” which would show direction for 5sec (“horn” button to activate 
)
changes for UI: both version are staying in game, when you click on H&S icon you would see “horizon open custom lobby” style prompt where you would choose which type do you prefer: normal, no radar, any and you would queue up accordingly.
2.Changes to current game (in order of importance)
a) Chase breaker is too powerfull, either make it shorter or make it powercut only (no stopping), EDIT: maybe turn it OFF completely in “final run”?
b) Only AWD cars (can be swapped) + add more cars
c) New perk for hiders: “clone” (it would create 2 clones of your car and sent them in random directions), activated with horn button,
d) “Ping” could be changed too, it is not as OP as “chase breaker”, but maybe make the circle could be a little smaller or avaible only when Hider is running? Now I can just drive up to convoy of cars and find Hider on the spot,
e) New perk for hiders: “change car” (I guess that is clear), it would activate after 2-3 uses of “chase breaker”
3.“fix traffic”
I guess that is not really a suggestion, but…
NPC traffic is spawning randomly. Like sometimes it is full convoy and sometimes there is nothing, nada, null, 0 traffic to blend in. Please check that.