but this should be done first and thats subaru specific

selfdrive/car/interfaces.py

@@ -109,7 +109,6 @@ class CarInterfaceBase(ABC):
   @classmethod
   def get_params(cls, candidate: str, fingerprint: Dict[int, Dict[int, int]], car_fw: List[car.CarParams.CarFw], experimental_long: bool, docs: bool):
     ret = CarInterfaceBase.get_std_params(candidate)
-    ret = cls._get_params(ret, candidate, fingerprint, car_fw, experimental_long, docs)
 
     if hasattr(candidate, "config"):
       platform_config = cast(PlatformConfig, candidate.config)
@@ -117,7 +116,8 @@ class CarInterfaceBase(ABC):
         ret.mass = platform_config.specs.mass
         ret.wheelbase = platform_config.specs.wheelbase
         ret.steerRatio = platform_config.specs.steerRatio
-        ret.centerToFront = ret.wheelbase * 0.5
+
+    ret = cls._get_params(ret, candidate, fingerprint, car_fw, experimental_long, docs)
 
     # Vehicle mass is published curb weight plus assumed payload such as a human driver; notCars have no assumed payload
     if not ret.notCar:

selfdrive/car/subaru/interface.py

@@ -40,6 +40,9 @@ class CarInterface(CarInterfaceBase):
     else:
       CarInterfaceBase.configure_torque_tune(candidate, ret.lateralTuning)
 
+
+    ret.centerToFront = ret.wheelbase * 0.5
+
     if candidate in (CAR.ASCENT, CAR.ASCENT_2023):
       ret.steerActuatorDelay = 0.3   # end-to-end angle controller
       ret.lateralTuning.init('pid')