diff --git a/release/files_common b/release/files_common
index 9ed0675..eb7b613 100644
--- a/release/files_common
+++ b/release/files_common
@@ -571,5 +571,6 @@ selfdrive/frogpilot/controls/lib/conditional_experimental_mode.py
 selfdrive/frogpilot/controls/lib/frogpilot_functions.py
 selfdrive/frogpilot/controls/lib/frogpilot_variables.py
 selfdrive/frogpilot/controls/lib/map_turn_speed_controller.py
+selfdrive/frogpilot/controls/lib/model_manager.py
 selfdrive/frogpilot/fleet_manager/fleet_manager.py
 selfdrive/frogpilot/navigation/mapd.py
diff --git a/selfdrive/controls/controlsd.py b/selfdrive/controls/controlsd.py
index 651c026..61794d8 100644
--- a/selfdrive/controls/controlsd.py
+++ b/selfdrive/controls/controlsd.py
@@ -107,6 +107,8 @@ class Controls:
     ignore = self.sensor_packets + ['testJoystick']
     if SIMULATION:
       ignore += ['driverCameraState', 'managerState']
+    if self.frogpilot_toggles.radarless_model:
+      ignore += ['radarState']
     self.sm = messaging.SubMaster(['deviceState', 'pandaStates', 'peripheralState', 'modelV2', 'liveCalibration',
                                    'carOutput', 'driverMonitoringState', 'longitudinalPlan', 'liveLocationKalman',
                                    'managerState', 'liveParameters', 'radarState', 'liveTorqueParameters',
@@ -341,8 +343,9 @@ class Controls:
           self.events.add(EventName.cameraFrameRate)
     if not REPLAY and self.rk.lagging:
       self.events.add(EventName.controlsdLagging)
-    if len(self.sm['radarState'].radarErrors) or (not self.rk.lagging and not self.sm.all_checks(['radarState'])):
-      self.events.add(EventName.radarFault)
+    if not self.frogpilot_toggles.radarless_model:
+      if len(self.sm['radarState'].radarErrors) or (not self.rk.lagging and not self.sm.all_checks(['radarState'])):
+        self.events.add(EventName.radarFault)
     if not self.sm.valid['pandaStates']:
       self.events.add(EventName.usbError)
     if CS.canTimeout:
diff --git a/selfdrive/controls/lib/longitudinal_mpc_lib/long_mpc.py b/selfdrive/controls/lib/longitudinal_mpc_lib/long_mpc.py
index 39ae82b..ed426fa 100644
--- a/selfdrive/controls/lib/longitudinal_mpc_lib/long_mpc.py
+++ b/selfdrive/controls/lib/longitudinal_mpc_lib/long_mpc.py
@@ -8,7 +8,6 @@ from openpilot.common.swaglog import cloudlog
 # WARNING: imports outside of constants will not trigger a rebuild
 from openpilot.selfdrive.modeld.constants import index_function
 from openpilot.selfdrive.car.interfaces import ACCEL_MIN
-from openpilot.selfdrive.controls.radard import _LEAD_ACCEL_TAU
 
 if __name__ == '__main__':  # generating code
   from openpilot.third_party.acados.acados_template import AcadosModel, AcadosOcp, AcadosOcpSolver
@@ -44,6 +43,8 @@ CRASH_DISTANCE = .25
 LEAD_DANGER_FACTOR = 0.75
 LIMIT_COST = 1e6
 ACADOS_SOLVER_TYPE = 'SQP_RTI'
+# Default lead acceleration decay set to 50% at 1s
+LEAD_ACCEL_TAU = 1.5
 
 
 # Fewer timestamps don't hurt performance and lead to
@@ -335,7 +336,7 @@ class LongitudinalMpc:
       x_lead = 50.0
       v_lead = v_ego + 10.0
       a_lead = 0.0
-      a_lead_tau = _LEAD_ACCEL_TAU
+      a_lead_tau = LEAD_ACCEL_TAU
 
     # MPC will not converge if immediate crash is expected
     # Clip lead distance to what is still possible to brake for
@@ -352,13 +353,13 @@ class LongitudinalMpc:
     self.cruise_min_a = min_a
     self.max_a = max_a
 
-  def update(self, radarstate, v_cruise, x, v, a, j, t_follow, trafficModeActive, frogpilot_toggles, personality=log.LongitudinalPersonality.standard):
+  def update(self, lead_one, lead_two, v_cruise, x, v, a, j, t_follow, trafficModeActive, frogpilot_toggles, personality=log.LongitudinalPersonality.standard):
     v_ego = self.x0[1]
-    self.status = radarstate.leadOne.status or radarstate.leadTwo.status
+    self.status = lead_one.status or lead_two.status
     increased_distance = frogpilot_toggles.increased_stopping_distance + min(CITY_SPEED_LIMIT - v_ego, 0) if not trafficModeActive else 0
 
-    lead_xv_0 = self.process_lead(radarstate.leadOne, increased_distance)
-    lead_xv_1 = self.process_lead(radarstate.leadTwo)
+    lead_xv_0 = self.process_lead(lead_one, increased_distance)
+    lead_xv_1 = self.process_lead(lead_two)
 
     # To estimate a safe distance from a moving lead, we calculate how much stopping
     # distance that lead needs as a minimum. We can add that to the current distance
@@ -417,8 +418,8 @@ class LongitudinalMpc:
     self.params[:,4] = t_follow
 
     self.run()
-    if (np.any(lead_xv_0[FCW_IDXS,0] - self.x_sol[FCW_IDXS,0] < CRASH_DISTANCE) and
-            radarstate.leadOne.modelProb > 0.9):
+    lead_probability = lead_one.prob if frogpilot_toggles.radarless_model else lead_one.modelProb
+    if (np.any(lead_xv_0[FCW_IDXS,0] - self.x_sol[FCW_IDXS,0] < CRASH_DISTANCE) and lead_probability > 0.9):
       self.crash_cnt += 1
     else:
       self.crash_cnt = 0
diff --git a/selfdrive/controls/lib/longitudinal_planner.py b/selfdrive/controls/lib/longitudinal_planner.py
index ab61b0b..56c7a4f 100755
--- a/selfdrive/controls/lib/longitudinal_planner.py
+++ b/selfdrive/controls/lib/longitudinal_planner.py
@@ -6,14 +6,15 @@ from openpilot.common.numpy_fast import clip, interp
 import cereal.messaging as messaging
 from openpilot.common.conversions import Conversions as CV
 from openpilot.common.filter_simple import FirstOrderFilter
+from openpilot.common.simple_kalman import KF1D
 from openpilot.common.realtime import DT_MDL
+from openpilot.common.swaglog import cloudlog
 from openpilot.selfdrive.modeld.constants import ModelConstants
 from openpilot.selfdrive.car.interfaces import ACCEL_MIN, ACCEL_MAX
 from openpilot.selfdrive.controls.lib.longcontrol import LongCtrlState
 from openpilot.selfdrive.controls.lib.longitudinal_mpc_lib.long_mpc import LongitudinalMpc
-from openpilot.selfdrive.controls.lib.longitudinal_mpc_lib.long_mpc import T_IDXS as T_IDXS_MPC
+from openpilot.selfdrive.controls.lib.longitudinal_mpc_lib.long_mpc import T_IDXS as T_IDXS_MPC, LEAD_ACCEL_TAU
 from openpilot.selfdrive.controls.lib.drive_helpers import V_CRUISE_MAX, CONTROL_N, get_speed_error
-from openpilot.common.swaglog import cloudlog
 
 LON_MPC_STEP = 0.2  # first step is 0.2s
 A_CRUISE_MIN = -1.2
@@ -24,6 +25,9 @@ A_CRUISE_MAX_BP = [0., 10.0, 25., 40.]
 _A_TOTAL_MAX_V = [1.7, 3.2]
 _A_TOTAL_MAX_BP = [20., 40.]
 
+# Kalman filter states enum
+LEAD_KALMAN_SPEED, LEAD_KALMAN_ACCEL = 0, 1
+
 
 def get_max_accel(v_ego):
   return interp(v_ego, A_CRUISE_MAX_BP, A_CRUISE_MAX_VALS)
@@ -44,6 +48,72 @@ def limit_accel_in_turns(v_ego, angle_steers, a_target, CP):
   return [a_target[0], min(a_target[1], a_x_allowed)]
 
 
+def lead_kf(v_lead: float, dt: float = 0.05):
+  # Lead Kalman Filter params, calculating K from A, C, Q, R requires the control library.
+  # hardcoding a lookup table to compute K for values of radar_ts between 0.01s and 0.2s
+  assert dt > .01 and dt < .2, "Radar time step must be between .01s and 0.2s"
+  A = [[1.0, dt], [0.0, 1.0]]
+  C = [1.0, 0.0]
+  #Q = np.matrix([[10., 0.0], [0.0, 100.]])
+  #R = 1e3
+  #K = np.matrix([[ 0.05705578], [ 0.03073241]])
+  dts = [dt * 0.01 for dt in range(1, 21)]
+  K0 = [0.12287673, 0.14556536, 0.16522756, 0.18281627, 0.1988689,  0.21372394,
+        0.22761098, 0.24069424, 0.253096,   0.26491023, 0.27621103, 0.28705801,
+        0.29750003, 0.30757767, 0.31732515, 0.32677158, 0.33594201, 0.34485814,
+        0.35353899, 0.36200124]
+  K1 = [0.29666309, 0.29330885, 0.29042818, 0.28787125, 0.28555364, 0.28342219,
+        0.28144091, 0.27958406, 0.27783249, 0.27617149, 0.27458948, 0.27307714,
+        0.27162685, 0.27023228, 0.26888809, 0.26758976, 0.26633338, 0.26511557,
+        0.26393339, 0.26278425]
+  K = [[interp(dt, dts, K0)], [interp(dt, dts, K1)]]
+
+  kf = KF1D([[v_lead], [0.0]], A, C, K)
+  return kf
+
+
+class Lead:
+  def __init__(self):
+    self.dRel = 0.0
+    self.yRel = 0.0
+    self.vLead = 0.0
+    self.aLead = 0.0
+    self.vLeadK = 0.0
+    self.aLeadK = 0.0
+    self.aLeadTau = LEAD_ACCEL_TAU
+    self.prob = 0.0
+    self.status = False
+
+    self.kf: KF1D | None = None
+
+  def reset(self):
+    self.status = False
+    self.kf = None
+    self.aLeadTau = LEAD_ACCEL_TAU
+
+  def update(self, dRel: float, yRel: float, vLead: float, aLead: float, prob: float):
+    self.dRel = dRel
+    self.yRel = yRel
+    self.vLead = vLead
+    self.aLead = aLead
+    self.prob = prob
+    self.status = True
+
+    if self.kf is None:
+      self.kf = lead_kf(self.vLead)
+    else:
+      self.kf.update(self.vLead)
+
+    self.vLeadK = float(self.kf.x[LEAD_KALMAN_SPEED][0])
+    self.aLeadK = float(self.kf.x[LEAD_KALMAN_ACCEL][0])
+
+    # Learn if constant acceleration
+    if abs(self.aLeadK) < 0.5:
+      self.aLeadTau = LEAD_ACCEL_TAU
+    else:
+      self.aLeadTau *= 0.9
+
+
 class LongitudinalPlanner:
   def __init__(self, CP, init_v=0.0, init_a=0.0, dt=DT_MDL):
     self.CP = CP
@@ -55,6 +125,9 @@ class LongitudinalPlanner:
     self.v_desired_filter = FirstOrderFilter(init_v, 2.0, self.dt)
     self.v_model_error = 0.0
 
+    self.lead_one = Lead()
+    self.lead_two = Lead()
+
     self.v_desired_trajectory = np.zeros(CONTROL_N)
     self.a_desired_trajectory = np.zeros(CONTROL_N)
     self.j_desired_trajectory = np.zeros(CONTROL_N)
@@ -121,11 +194,25 @@ class LongitudinalPlanner:
     accel_limits_turns[0] = min(accel_limits_turns[0], self.a_desired + 0.05)
     accel_limits_turns[1] = max(accel_limits_turns[1], self.a_desired - 0.05)
 
+    if frogpilot_toggles.radarless_model:
+      model_leads = list(sm['modelV2'].leadsV3)
+      # TODO lead state should be invalidated if its different point than the previous one
+      lead_states = [self.lead_one, self.lead_two]
+      for index in range(len(lead_states)):
+        if len(model_leads) > index:
+          model_lead = model_leads[index]
+          lead_states[index].update(model_lead.x[0], model_lead.y[0], model_lead.v[0], model_lead.a[0], model_lead.prob)
+        else:
+          lead_states[index].reset()
+    else:
+      self.lead_one = sm['radarState'].leadOne
+      self.lead_two = sm['radarState'].leadTwo
+
     self.mpc.set_weights(sm['frogpilotPlan'].accelerationJerk, sm['frogpilotPlan'].speedJerk, prev_accel_constraint, personality=sm['controlsState'].personality)
     self.mpc.set_accel_limits(accel_limits_turns[0], accel_limits_turns[1])
     self.mpc.set_cur_state(self.v_desired_filter.x, self.a_desired)
     x, v, a, j = self.parse_model(sm['modelV2'], self.v_model_error, v_ego, frogpilot_toggles.taco_tune)
-    self.mpc.update(sm['radarState'], sm['frogpilotPlan'].vCruise, x, v, a, j, sm['frogpilotPlan'].tFollow,
+    self.mpc.update(self.lead_one, self.lead_two, sm['frogpilotPlan'].vCruise, x, v, a, j, sm['frogpilotPlan'].tFollow,
                     sm['frogpilotCarControl'].trafficModeActive, frogpilot_toggles, personality=sm['controlsState'].personality)
 
     self.v_desired_trajectory_full = np.interp(ModelConstants.T_IDXS, T_IDXS_MPC, self.mpc.v_solution)
@@ -157,7 +244,7 @@ class LongitudinalPlanner:
     longitudinalPlan.accels = self.a_desired_trajectory.tolist()
     longitudinalPlan.jerks = self.j_desired_trajectory.tolist()
 
-    longitudinalPlan.hasLead = sm['radarState'].leadOne.status
+    longitudinalPlan.hasLead = self.lead_one.status
     longitudinalPlan.longitudinalPlanSource = self.mpc.source
     longitudinalPlan.fcw = self.fcw
 
diff --git a/selfdrive/controls/radard.py b/selfdrive/controls/radard.py
index 4819d7b..5cf8dc4 100755
--- a/selfdrive/controls/radard.py
+++ b/selfdrive/controls/radard.py
@@ -195,6 +195,8 @@ def get_lead(v_ego: float, ready: bool, tracks: dict[int, Track], lead_msg: capn
 
 class RadarD:
   def __init__(self, radar_ts: float, delay: int = 0):
+    self.points: dict[int, tuple[float, float, float]] = {}
+
     self.current_time = 0.0
 
     self.tracks: dict[int, Track] = {}
@@ -206,6 +208,7 @@ class RadarD:
 
     self.radar_state: capnp._DynamicStructBuilder | None = None
     self.radar_state_valid = False
+    self.radar_tracks_valid = False
 
     self.ready = False
 
@@ -289,6 +292,31 @@ class RadarD:
       }
     pm.send('liveTracks', tracks_msg)
 
+  def update_radardless(self, rr: Optional[car.RadarData]):
+    radar_points = []
+    radar_errors = []
+    if rr is not None:
+      radar_points = rr.points
+      radar_errors = rr.errors
+
+    self.radar_tracks_valid = len(radar_errors) == 0
+
+    self.points = {}
+    for pt in radar_points:
+      self.points[pt.trackId] = (pt.dRel, pt.yRel, pt.vRel)
+
+  def publish_radardless(self):
+    tracks_msg = messaging.new_message('liveTracks', len(self.points))
+    tracks_msg.valid = self.radar_tracks_valid
+    for index, tid in enumerate(sorted(self.points.keys())):
+      tracks_msg.liveTracks[index] = {
+        "trackId": tid,
+        "dRel": float(self.points[tid][0]) + RADAR_TO_CAMERA,
+        "yRel": -float(self.points[tid][1]),
+        "vRel": float(self.points[tid][2]),
+      }
+
+    return tracks_msg
 
 # fuses camera and radar data for best lead detection
 def main():
@@ -306,26 +334,41 @@ def main():
 
   # *** setup messaging
   can_sock = messaging.sub_sock('can')
-  sm = messaging.SubMaster(['modelV2', 'carState'], frequency=int(1./DT_CTRL))
-  pm = messaging.PubMaster(['radarState', 'liveTracks'])
+  pub_sock = messaging.pub_sock('liveTracks')
 
   RI = RadarInterface(CP)
 
+  # TODO timing is different between cars, need a single time step for all cars
+  # TODO just take the fastest one for now, and keep resending same messages for slower radars
   rk = Ratekeeper(1.0 / CP.radarTimeStep, print_delay_threshold=None)
   RD = RadarD(CP.radarTimeStep, RI.delay)
 
-  while 1:
-    can_strings = messaging.drain_sock_raw(can_sock, wait_for_one=True)
-    rr = RI.update(can_strings)
-    sm.update(0)
-    if rr is None:
-      continue
+  if not FrogPilotVariables.toggles.radarless_model:
+    sm = messaging.SubMaster(['modelV2', 'carState'], frequency=int(1./DT_CTRL))
+    pm = messaging.PubMaster(['radarState', 'liveTracks'])
 
-    RD.update(sm, rr)
-    RD.publish(pm, -rk.remaining*1000.0)
+    while True:
+      can_strings = messaging.drain_sock_raw(can_sock, wait_for_one=True)
+      rr = RI.update(can_strings)
+      sm.update(0)
+      if rr is None:
+        continue
 
-    rk.monitor_time()
+      RD.update(sm, rr)
+      RD.publish(pm, -rk.remaining*1000.0)
+      rk.monitor_time()
+  else:
+    while True:
+      can_strings = messaging.drain_sock_raw(can_sock, wait_for_one=True)
+      rr = RI.update(can_strings)
+      if rr is None:
+        continue
 
+      RD.update_radardless(rr)
+      msg = RD.publish_radardless()
+      pub_sock.send(msg.to_bytes())
+
+      rk.monitor_time()
 
 if __name__ == "__main__":
   main()
diff --git a/selfdrive/frogpilot/controls/frogpilot_planner.py b/selfdrive/frogpilot/controls/frogpilot_planner.py
index c644633..dadfe61 100644
--- a/selfdrive/frogpilot/controls/frogpilot_planner.py
+++ b/selfdrive/frogpilot/controls/frogpilot_planner.py
@@ -52,6 +52,7 @@ class FrogPilotPlanner:
     self.params_memory = Params("/dev/shm/params")
 
     self.cem = ConditionalExperimentalMode()
+    self.lead_one = Lead()
     self.mtsc = MapTurnSpeedController()
 
     self.slower_lead = False
@@ -63,7 +64,15 @@ class FrogPilotPlanner:
     self.speed_jerk = 0
 
   def update(self, carState, controlsState, frogpilotCarControl, frogpilotCarState, frogpilotNavigation, liveLocationKalman, modelData, radarState, frogpilot_toggles):
-    self.lead_one = radarState.leadOne
+    if frogpilot_toggles.radarless_model:
+      model_leads = list(modelData.leadsV3)
+      if len(model_leads) > 0:
+        model_lead = model_leads[0]
+        self.lead_one.update(model_lead.x[0], model_lead.y[0], model_lead.v[0], model_lead.a[0], model_lead.prob)
+      else:
+        self.lead_one.reset()
+    else:
+      self.lead_one = radarState.leadOne
 
     v_cruise_kph = min(controlsState.vCruise, V_CRUISE_UNSET)
     v_cruise = v_cruise_kph * CV.KPH_TO_MS
diff --git a/selfdrive/frogpilot/controls/lib/frogpilot_functions.py b/selfdrive/frogpilot/controls/lib/frogpilot_functions.py
index cc8a913..cf51135 100644
--- a/selfdrive/frogpilot/controls/lib/frogpilot_functions.py
+++ b/selfdrive/frogpilot/controls/lib/frogpilot_functions.py
@@ -14,6 +14,7 @@ from openpilot.system.hardware import HARDWARE
 from openpilot.system.version import get_short_branch, get_commit_date
 
 from openpilot.selfdrive.frogpilot.controls.lib.frogpilot_variables import PROBABILITY, THRESHOLD
+from openpilot.selfdrive.frogpilot.controls.lib.model_manager import MODELS_PATH
 
 def calculate_lane_width(lane, current_lane, road_edge):
   lane_x, lane_y = np.array(lane.x), np.array(lane.y)
@@ -176,6 +177,7 @@ class FrogPilotFunctions:
     remount_persist = ['sudo', 'mount', '-o', 'remount,rw', '/persist']
     cls.run_cmd(remount_persist, "Successfully remounted /persist as read-write.", "Failed to remount /persist.")
 
+    os.makedirs(MODELS_PATH, exist_ok=True)
     os.makedirs("/persist/params", exist_ok=True)
 
     frogpilot_boot_logo = f'{BASEDIR}/selfdrive/frogpilot/assets/other_images/frogpilot_boot_logo.png'
diff --git a/selfdrive/frogpilot/controls/lib/model_manager.py b/selfdrive/frogpilot/controls/lib/model_manager.py
new file mode 100644
index 0000000..f516f42
--- /dev/null
+++ b/selfdrive/frogpilot/controls/lib/model_manager.py
@@ -0,0 +1,110 @@
+import http.client
+import os
+import socket
+import urllib.error
+import urllib.request
+
+from openpilot.common.params import Params
+from openpilot.system.version import get_short_branch
+
+VERSION = 'v1' if get_short_branch() == "FrogPilot" else 'v2'
+GITHUB_REPOSITORY_URL = 'https://raw.githubusercontent.com/FrogAi/FrogPilot-Resources/'
+GITLAB_REPOSITORY_URL = 'https://gitlab.com/FrogAi/FrogPilot-Resources/-/raw/'
+
+DEFAULT_MODEL = "wd-40"
+DEFAULT_MODEL_NAME = "WD40 (Default)"
+MODELS_PATH = '/data/models'
+
+NAVIGATION_MODELS = {"certified-herbalist", "duck-amigo", "los-angeles", "recertified-herbalist"}
+RADARLESS_MODELS = {"radical-turtle"}
+
+params = Params()
+params_memory = Params("/dev/shm/params")
+
+def ping_url(url, timeout=5):
+  try:
+    urllib.request.urlopen(url, timeout=timeout)
+    return True
+  except (urllib.error.URLError, socket.timeout, http.client.RemoteDisconnected):
+    return False
+
+def determine_url(model):
+  if ping_url(GITHUB_REPOSITORY_URL):
+    return f"{GITHUB_REPOSITORY_URL}/Models/{model}.thneed"
+  else:
+    return f"{GITLAB_REPOSITORY_URL}/Models/{model}.thneed"
+
+def delete_deprecated_models():
+  populate_models()
+
+  available_models = params.get("AvailableModels", encoding='utf-8').split(',')
+
+  current_model = params.get("Model", block=True, encoding='utf-8')
+  current_model_file = os.path.join(MODELS_PATH, f"{current_model}.thneed")
+
+  if current_model not in available_models or not os.path.exists(current_model_file):
+    params.put("Model", DEFAULT_MODEL)
+    params.put("ModelName", DEFAULT_MODEL_NAME)
+
+  for model_file in os.listdir(MODELS_PATH):
+    if model_file.endswith('.thneed') and model_file[:-7] not in available_models:
+      os.remove(os.path.join(MODELS_PATH, model_file))
+
+def download_model():
+  model = params_memory.get("ModelToDownload", encoding='utf-8')
+  model_path = os.path.join(MODELS_PATH, f"{model}.thneed")
+
+  if os.path.exists(model_path):
+    print(f"Model {model} already exists, skipping download.")
+    return
+
+  url = determine_url(model)
+
+  for attempt in range(3):
+    try:
+      with urllib.request.urlopen(url) as f:
+        total_file_size = int(f.getheader('Content-Length'))
+        if total_file_size == 0:
+          raise ValueError("File is empty")
+
+        with open(model_path, 'wb') as output:
+          current_file_size = 0
+          for chunk in iter(lambda: f.read(8192), b''):
+            output.write(chunk)
+            current_file_size += len(chunk)
+            progress = (current_file_size / total_file_size) * 100
+            params_memory.put_int("ModelDownloadProgress", int(progress))
+          os.fsync(output)
+
+      verify_download(model_path, total_file_size)
+      return
+    except Exception as e:
+      handle_download_error(model_path, attempt, e, url)
+
+def verify_download(model_path, total_file_size):
+  if os.path.getsize(model_path) == total_file_size:
+    print(f"Successfully downloaded the model!")
+  else:
+    raise Exception("Downloaded file size does not match expected size.")
+
+def handle_download_error(model_path, attempt, exception, url):
+  print(f"Attempt {attempt + 1} failed with error: {exception}. Retrying...")
+  if os.path.exists(model_path):
+    os.remove(model_path)
+  if attempt == 2:
+    print(f"Failed to download the model after 3 attempts from {url}")
+
+def populate_models():
+  url = f"{GITHUB_REPOSITORY_URL}Versions/model_names_{VERSION}.txt" if ping_url(GITHUB_REPOSITORY_URL) else f"{GITLAB_REPOSITORY_URL}Versions/model_names_{VERSION}.txt"
+  try:
+    with urllib.request.urlopen(url) as response:
+      model_info = [line.decode('utf-8').strip().split(' - ') for line in response.readlines()]
+    update_params(model_info)
+  except Exception as e:
+    print(f"Failed to update models list. Error: {e}")
+
+def update_params(model_info):
+  available_models = ','.join(model[0] for model in model_info)
+  params.put("AvailableModels", available_models)
+  params.put("AvailableModelsNames", ','.join(model[1] for model in model_info))
+  print("Models list updated successfully.")
diff --git a/selfdrive/frogpilot/frogpilot_process.py b/selfdrive/frogpilot/frogpilot_process.py
index 307d1e1..0b60096 100644
--- a/selfdrive/frogpilot/frogpilot_process.py
+++ b/selfdrive/frogpilot/frogpilot_process.py
@@ -17,6 +17,7 @@ from openpilot.system.hardware import HARDWARE
 from openpilot.selfdrive.frogpilot.controls.frogpilot_planner import FrogPilotPlanner
 from openpilot.selfdrive.frogpilot.controls.lib.frogpilot_functions import FrogPilotFunctions
 from openpilot.selfdrive.frogpilot.controls.lib.frogpilot_variables import FrogPilotVariables
+from openpilot.selfdrive.frogpilot.controls.lib.model_manager import DEFAULT_MODEL, DEFAULT_MODEL_NAME, download_model, populate_models
 
 WIFI = log.DeviceState.NetworkType.wifi
 
@@ -40,6 +41,8 @@ def automatic_update_check(params):
     os.system("pkill -SIGUSR1 -f selfdrive.updated.updated")
 
 def time_checks(automatic_updates, deviceState, maps_downloaded, now, params, params_memory):
+  populate_models()
+
   screen_off = deviceState.screenBrightnessPercent == 0
   wifi_connection = deviceState.networkType == WIFI
 
@@ -82,6 +85,7 @@ def frogpilot_thread(frogpilot_toggles):
 
   first_run = True
   maps_downloaded = os.path.exists('/data/media/0/osm/offline') or params.get("MapsSelected") is None
+  model_list_empty = params.get("AvailableModelsNames", encoding='utf-8') is None
   time_validated = system_time_valid()
 
   pm = messaging.PubMaster(['frogpilotPlan'])
@@ -102,9 +106,16 @@ def frogpilot_thread(frogpilot_toggles):
                                sm['frogpilotNavigation'], sm['liveLocationKalman'], sm['modelV2'], sm['radarState'], frogpilot_toggles)
       frogpilot_planner.publish(sm, pm, frogpilot_toggles)
 
+    if params_memory.get("ModelToDownload", encoding='utf-8') is not None:
+      download_model()
+
     if FrogPilotVariables.toggles_updated:
       FrogPilotVariables.update_frogpilot_params(started)
 
+      if not frogpilot_toggles.model_selector:
+        params.put("Model", DEFAULT_MODEL)
+        params.put("ModelName", DEFAULT_MODEL_NAME)
+
       if not started and time_validated:
         frogpilot_functions.backup_toggles()
 
@@ -117,6 +128,7 @@ def frogpilot_thread(frogpilot_toggles):
       if (not started or not maps_downloaded) and github_pinged():
         time_checks(frogpilot_toggles.automatic_updates, deviceState, maps_downloaded, now, params, params_memory)
         maps_downloaded = os.path.exists('/data/media/0/osm/offline') or params.get("OSMDownloadProgress") is not None or params.get("MapsSelected") is None
+        model_list_empty = params.get("AvailableModelsNames", encoding='utf-8') is None
 
       if now.day != current_day:
         params.remove("FingerprintLogged")
diff --git a/selfdrive/manager/manager.py b/selfdrive/manager/manager.py
old mode 100644
new mode 100755
index 9ed8523..f3e8627
--- a/selfdrive/manager/manager.py
+++ b/selfdrive/manager/manager.py
@@ -25,6 +25,7 @@ from openpilot.system.version import is_dirty, get_commit, get_version, get_orig
                            is_tested_branch, is_release_branch, get_commit_date
 
 from openpilot.selfdrive.frogpilot.controls.lib.frogpilot_functions import FrogPilotFunctions
+from openpilot.selfdrive.frogpilot.controls.lib.model_manager import DEFAULT_MODEL, DEFAULT_MODEL_NAME, delete_deprecated_models
 
 
 def frogpilot_boot_functions(frogpilot_functions):
@@ -33,6 +34,12 @@ def frogpilot_boot_functions(frogpilot_functions):
       print("Waiting for system time to become valid...")
       time.sleep(1)
 
+    try:
+      delete_deprecated_models()
+    except subprocess.CalledProcessError as e:
+      print(f"Failed to delete deprecated models. Error: {e}")
+      return
+
     try:
       frogpilot_functions.backup_frogpilot()
     except subprocess.CalledProcessError as e:
diff --git a/selfdrive/modeld/constants.py b/selfdrive/modeld/constants.py
index dda1ff5..3ff4712 100644
--- a/selfdrive/modeld/constants.py
+++ b/selfdrive/modeld/constants.py
@@ -24,6 +24,7 @@ class ModelConstants:
   LAT_PLANNER_STATE_LEN = 4
   LATERAL_CONTROL_PARAMS_LEN = 2
   PREV_DESIRED_CURV_LEN = 1
+  RADAR_TRACKS_LEN = 64
 
   # model outputs constants
   FCW_THRESHOLDS_5MS2 = np.array([.05, .05, .15, .15, .15], dtype=np.float32)
@@ -42,6 +43,7 @@ class ModelConstants:
   DESIRE_PRED_WIDTH = 8
   LAT_PLANNER_SOLUTION_WIDTH = 4
   DESIRED_CURV_WIDTH = 1
+  RADAR_TRACKS_WIDTH = 3
 
   NUM_LANE_LINES = 4
   NUM_ROAD_EDGES = 2
diff --git a/selfdrive/modeld/modeld.py b/selfdrive/modeld/modeld.py
index 1a52489..659ade4 100755
--- a/selfdrive/modeld/modeld.py
+++ b/selfdrive/modeld/modeld.py
@@ -25,12 +25,18 @@ from openpilot.selfdrive.modeld.constants import ModelConstants
 from openpilot.selfdrive.modeld.models.commonmodel_pyx import ModelFrame, CLContext
 
 from openpilot.selfdrive.frogpilot.controls.lib.frogpilot_variables import FrogPilotVariables
+from openpilot.selfdrive.frogpilot.controls.lib.model_manager import DEFAULT_MODEL, MODELS_PATH, NAVIGATION_MODELS, RADARLESS_MODELS
 
 PROCESS_NAME = "selfdrive.modeld.modeld"
 SEND_RAW_PRED = os.getenv('SEND_RAW_PRED')
 
+MODEL_NAME = Params().get("Model", block=True, encoding='utf-8')
+
+DISABLE_NAV = MODEL_NAME not in NAVIGATION_MODELS
+DISABLE_RADAR = MODEL_NAME in RADARLESS_MODELS
+
 MODEL_PATHS = {
-  ModelRunner.THNEED: Path(__file__).parent / 'models/supercombo.thneed',
+  ModelRunner.THNEED: Path(__file__).parent / ('models/supercombo.thneed' if MODEL_NAME == DEFAULT_MODEL else f'{MODELS_PATH}/{MODEL_NAME}.thneed'),
   ModelRunner.ONNX: Path(__file__).parent / 'models/supercombo.onnx'}
 
 METADATA_PATH = Path(__file__).parent / 'models/supercombo_metadata.pkl'
@@ -61,9 +67,10 @@ class ModelState:
       'traffic_convention': np.zeros(ModelConstants.TRAFFIC_CONVENTION_LEN, dtype=np.float32),
       'lateral_control_params': np.zeros(ModelConstants.LATERAL_CONTROL_PARAMS_LEN, dtype=np.float32),
       'prev_desired_curv': np.zeros(ModelConstants.PREV_DESIRED_CURV_LEN * (ModelConstants.HISTORY_BUFFER_LEN+1), dtype=np.float32),
-      'nav_features': np.zeros(ModelConstants.NAV_FEATURE_LEN, dtype=np.float32),
-      'nav_instructions': np.zeros(ModelConstants.NAV_INSTRUCTION_LEN, dtype=np.float32),
+      **({'nav_features': np.zeros(ModelConstants.NAV_FEATURE_LEN, dtype=np.float32),
+          'nav_instructions': np.zeros(ModelConstants.NAV_INSTRUCTION_LEN, dtype=np.float32)} if not DISABLE_NAV else {}),
       'features_buffer': np.zeros(ModelConstants.HISTORY_BUFFER_LEN * ModelConstants.FEATURE_LEN, dtype=np.float32),
+      **({'radar_tracks': np.zeros(ModelConstants.RADAR_TRACKS_LEN * ModelConstants.RADAR_TRACKS_WIDTH, dtype=np.float32)} if DISABLE_RADAR else {}),
     }
 
     with open(METADATA_PATH, 'rb') as f:
@@ -96,8 +103,11 @@ class ModelState:
 
     self.inputs['traffic_convention'][:] = inputs['traffic_convention']
     self.inputs['lateral_control_params'][:] = inputs['lateral_control_params']
-    self.inputs['nav_features'][:] = inputs['nav_features']
-    self.inputs['nav_instructions'][:] = inputs['nav_instructions']
+    if not DISABLE_NAV:
+      self.inputs['nav_features'][:] = inputs['nav_features']
+      self.inputs['nav_instructions'][:] = inputs['nav_instructions']
+    if DISABLE_RADAR:
+      self.inputs['radar_tracks'][:] = inputs['radar_tracks']
 
     # if getCLBuffer is not None, frame will be None
     self.model.setInputBuffer("input_imgs", self.frame.prepare(buf, transform.flatten(), self.model.getCLBuffer("input_imgs")))
@@ -156,7 +166,7 @@ def main(demo=False, frogpilot_toggles=None):
 
   # messaging
   pm = PubMaster(["modelV2", "cameraOdometry"])
-  sm = SubMaster(["deviceState", "carState", "roadCameraState", "liveCalibration", "driverMonitoringState", "navModel", "navInstruction", "carControl", "frogpilotPlan"])
+  sm = SubMaster(["deviceState", "carState", "roadCameraState", "liveCalibration", "driverMonitoringState", "navModel", "navInstruction", "carControl", "liveTracks", "frogpilotPlan"])
 
   publish_state = PublishState()
   params = Params()
@@ -245,7 +255,7 @@ def main(demo=False, frogpilot_toggles=None):
     # Enable/disable nav features
     timestamp_llk = sm["navModel"].locationMonoTime
     nav_valid = sm.valid["navModel"] # and (nanos_since_boot() - timestamp_llk < 1e9)
-    nav_enabled = nav_valid and params.get_bool("ExperimentalMode")
+    nav_enabled = nav_valid and not DISABLE_NAV
 
     if not nav_enabled:
       nav_features[:] = 0
@@ -266,6 +276,14 @@ def main(demo=False, frogpilot_toggles=None):
         if 0 <= distance_idx < 50:
           nav_instructions[distance_idx*3 + direction_idx] = 1
 
+    radar_tracks = np.zeros(ModelConstants.RADAR_TRACKS_LEN * ModelConstants.RADAR_TRACKS_WIDTH, dtype=np.float32)
+    if sm.updated["liveTracks"]:
+      for i, track in enumerate(sm["liveTracks"]):
+        if i >= ModelConstants.RADAR_TRACKS_LEN:
+          break
+        vec_index = i * ModelConstants.RADAR_TRACKS_WIDTH
+        radar_tracks[vec_index:vec_index+ModelConstants.RADAR_TRACKS_WIDTH] = [track.dRel, track.yRel, track.vRel]
+
     # tracked dropped frames
     vipc_dropped_frames = max(0, meta_main.frame_id - last_vipc_frame_id - 1)
     frames_dropped = frame_dropped_filter.update(min(vipc_dropped_frames, 10))
@@ -283,8 +301,9 @@ def main(demo=False, frogpilot_toggles=None):
       'desire': vec_desire,
       'traffic_convention': traffic_convention,
       'lateral_control_params': lateral_control_params,
-      'nav_features': nav_features,
-      'nav_instructions': nav_instructions}
+      **({'nav_features': nav_features, 'nav_instructions': nav_instructions} if not DISABLE_NAV else {}),
+      **({'radar_tracks': radar_tracks,} if DISABLE_RADAR else {}),
+    }
 
     mt1 = time.perf_counter()
     model_output = model.run(buf_main, buf_extra, model_transform_main, model_transform_extra, inputs, prepare_only)
diff --git a/selfdrive/ui/qt/home.cc b/selfdrive/ui/qt/home.cc
index e711e73..4b04357 100644
--- a/selfdrive/ui/qt/home.cc
+++ b/selfdrive/ui/qt/home.cc
@@ -239,8 +239,10 @@ void OffroadHome::hideEvent(QHideEvent *event) {
 }
 
 void OffroadHome::refresh() {
+  QString model = QString::fromStdString(params.get("ModelName"));
+
   date->setText(QLocale(uiState()->language.mid(5)).toString(QDateTime::currentDateTime(), "dddd, MMMM d"));
-  version->setText(getBrand() + " v" + getVersion().left(14).trimmed());
+  version->setText(getBrand() + " v" + getVersion().left(14).trimmed() + " - " + model);
 
   bool updateAvailable = update_widget->refresh();
   int alerts = alerts_widget->refresh();
diff --git a/selfdrive/ui/qt/onroad.cc b/selfdrive/ui/qt/onroad.cc
index 387e030..33314ad 100644
--- a/selfdrive/ui/qt/onroad.cc
+++ b/selfdrive/ui/qt/onroad.cc
@@ -623,13 +623,13 @@ void AnnotatedCameraWidget::drawDriverState(QPainter &painter, const UIState *s)
   painter.restore();
 }
 
-void AnnotatedCameraWidget::drawLead(QPainter &painter, const cereal::RadarState::LeadData::Reader &lead_data, const QPointF &vd) {
+void AnnotatedCameraWidget::drawLead(QPainter &painter, const cereal::ModelDataV2::LeadDataV3::Reader &lead_data, const QPointF &vd, const float v_ego) {
   painter.save();
 
   const float speedBuff = 10.;
   const float leadBuff = 40.;
-  const float d_rel = lead_data.getDRel();
-  const float v_rel = lead_data.getVRel();
+  const float d_rel = lead_data.getX()[0];
+  const float v_rel = lead_data.getV()[0] - v_ego;
 
   float fillAlpha = 0;
   if (d_rel < leadBuff) {
@@ -664,6 +664,7 @@ void AnnotatedCameraWidget::paintGL() {
   SubMaster &sm = *(s->sm);
   const double start_draw_t = millis_since_boot();
   const cereal::ModelDataV2::Reader &model = sm["modelV2"].getModelV2();
+  const float v_ego = sm["carState"].getCarState().getVEgo();
 
   // draw camera frame
   {
@@ -685,7 +686,6 @@ void AnnotatedCameraWidget::paintGL() {
     // Wide or narrow cam dependent on speed
     bool has_wide_cam = available_streams.count(VISION_STREAM_WIDE_ROAD);
     if (has_wide_cam) {
-      float v_ego = sm["carState"].getCarState().getVEgo();
       if ((v_ego < 10) || available_streams.size() == 1) {
         wide_cam_requested = true;
       } else if (v_ego > 15) {
@@ -716,16 +716,16 @@ void AnnotatedCameraWidget::paintGL() {
     update_model(s, model, sm["uiPlan"].getUiPlan());
     drawLaneLines(painter, s);
 
-    if (s->scene.longitudinal_control && sm.rcv_frame("radarState") > s->scene.started_frame) {
-      auto radar_state = sm["radarState"].getRadarState();
-      update_leads(s, radar_state, model.getPosition());
-      auto lead_one = radar_state.getLeadOne();
-      auto lead_two = radar_state.getLeadTwo();
-      if (lead_one.getStatus()) {
-        drawLead(painter, lead_one, s->scene.lead_vertices[0]);
-      }
-      if (lead_two.getStatus() && (std::abs(lead_one.getDRel() - lead_two.getDRel()) > 3.0)) {
-        drawLead(painter, lead_two, s->scene.lead_vertices[1]);
+    if (s->scene.longitudinal_control && sm.rcv_frame("modelV2") > s->scene.started_frame) {
+      update_leads(s, model);
+      float prev_drel = -1;
+      for (int i = 0; i < model.getLeadsV3().size() && i < 2; i++) {
+        const auto &lead = model.getLeadsV3()[i];
+        auto lead_drel = lead.getX()[0];
+        if (lead.getProb() > scene.lead_detection_threshold && (prev_drel < 0 || std::abs(lead_drel - prev_drel) > 3.0)) {
+          drawLead(painter, lead, s->scene.lead_vertices[i], v_ego);
+        }
+        prev_drel = lead_drel;
       }
     }
   }
diff --git a/selfdrive/ui/qt/onroad.h b/selfdrive/ui/qt/onroad.h
index efa8423..efcfd8b 100644
--- a/selfdrive/ui/qt/onroad.h
+++ b/selfdrive/ui/qt/onroad.h
@@ -174,7 +174,7 @@ protected:
   void showEvent(QShowEvent *event) override;
   void updateFrameMat() override;
   void drawLaneLines(QPainter &painter, const UIState *s);
-  void drawLead(QPainter &painter, const cereal::RadarState::LeadData::Reader &lead_data, const QPointF &vd);
+  void drawLead(QPainter &painter, const cereal::ModelDataV2::LeadDataV3::Reader &lead_data, const QPointF &vd, const float v_ego);
   void drawHud(QPainter &p);
   void drawDriverState(QPainter &painter, const UIState *s);
   inline QColor redColor(int alpha = 255) { return QColor(201, 34, 49, alpha); }
diff --git a/selfdrive/ui/ui.cc b/selfdrive/ui/ui.cc
index c9ca0d9..0d552ea 100644
--- a/selfdrive/ui/ui.cc
+++ b/selfdrive/ui/ui.cc
@@ -44,12 +44,15 @@ int get_path_length_idx(const cereal::XYZTData::Reader &line, const float path_h
   return max_idx;
 }
 
-void update_leads(UIState *s, const cereal::RadarState::Reader &radar_state, const cereal::XYZTData::Reader &line) {
-  for (int i = 0; i < 2; ++i) {
-    auto lead_data = (i == 0) ? radar_state.getLeadOne() : radar_state.getLeadTwo();
-    if (lead_data.getStatus()) {
-      float z = line.getZ()[get_path_length_idx(line, lead_data.getDRel())];
-      calib_frame_to_full_frame(s, lead_data.getDRel(), -lead_data.getYRel(), z + 1.22, &s->scene.lead_vertices[i]);
+void update_leads(UIState *s, const cereal::ModelDataV2::Reader &model_data) {
+  const cereal::XYZTData::Reader &line = model_data.getPosition();
+  for (int i = 0; i < model_data.getLeadsV3().size() && i < 2; ++i) {
+    const auto &lead = model_data.getLeadsV3()[i];
+    if (lead.getProb() > s->scene.lead_detection_threshold) {
+      float d_rel = lead.getX()[0];
+      float y_rel = lead.getY()[0];
+      float z = line.getZ()[get_path_length_idx(line, d_rel)];
+      calib_frame_to_full_frame(s, d_rel, y_rel, z + 1.22, &s->scene.lead_vertices[i]);
     }
   }
 }
@@ -108,10 +111,13 @@ void update_model(UIState *s,
   }
 
   // update path
-  auto lead_one = (*s->sm)["radarState"].getRadarState().getLeadOne();
-  if (lead_one.getStatus()) {
-    const float lead_d = lead_one.getDRel() * 2.;
-    max_distance = std::clamp((float)(lead_d - fmin(lead_d * 0.35, 10.)), 0.0f, max_distance);
+  auto lead_count = model.getLeadsV3().size();
+  if (lead_count > 0) {
+    auto lead_one = model.getLeadsV3()[0];
+    if (lead_one.getProb() > scene.lead_detection_threshold) {
+      const float lead_d = lead_one.getX()[0] * 2.;
+      max_distance = std::clamp((float)(lead_d - fmin(lead_d * 0.35, 10.)), 0.0f, max_distance);
+    }
   }
   max_idx = get_path_length_idx(plan_position, max_distance);
   update_line_data(s, plan_position, 0.9, 1.22, &scene.track_vertices, max_idx, false);
@@ -278,6 +284,10 @@ void ui_update_frogpilot_params(UIState *s) {
   scene.use_kaofui_icons = scene.onroad_distance_button && params.getBool("KaofuiIcons");
 
   scene.experimental_mode_via_screen = scene.longitudinal_control && params.getBool("ExperimentalModeActivation") && params.getBool("ExperimentalModeViaTap");
+
+  bool longitudinal_tune = scene.longitudinal_control && params.getBool("LongitudinalTune");
+  bool radarless_model = params.get("Model") == "radical-turtle";
+  scene.lead_detection_threshold = longitudinal_tune && !radarless_model ? params.getInt("LeadDetectionThreshold") / 100.0f : 0.5;
 }
 
 void UIState::updateStatus() {
diff --git a/selfdrive/ui/ui.h b/selfdrive/ui/ui.h
index ee5b80a..81234ab 100644
--- a/selfdrive/ui/ui.h
+++ b/selfdrive/ui/ui.h
@@ -205,6 +205,7 @@ typedef struct UIScene {
   bool use_kaofui_icons;
 
   float adjusted_cruise;
+  float lead_detection_threshold;
 
   int alert_size;
   int conditional_speed;
@@ -303,7 +304,7 @@ void update_model(UIState *s,
                   const cereal::ModelDataV2::Reader &model,
                   const cereal::UiPlan::Reader &plan);
 void update_dmonitoring(UIState *s, const cereal::DriverStateV2::Reader &driverstate, float dm_fade_state, bool is_rhd);
-void update_leads(UIState *s, const cereal::RadarState::Reader &radar_state, const cereal::XYZTData::Reader &line);
+void update_leads(UIState *s, const cereal::ModelDataV2::Reader &model_data);
 void update_line_data(const UIState *s, const cereal::XYZTData::Reader &line,
                       float y_off, float z_off, QPolygonF *pvd, int max_idx, bool allow_invert);