They're not relyong on just navigation, you have to look out the window to see exactly where you are.
They hit the bridge because they blacked out and lost their ability to maneuver at one of the most critical times.
Source: https://m.youtube.com/watch?v=N39w6aQFKSQ
I'd do a drop in for now since you were already thinking about doing one and then in the future if you can't install the compound kit sell it. DT says they are pursuing E.O. certification as well for their turbos .
I had the same muffler with my 472 didn't do much at all even with a resonator in front of it. Now I've got a Hushpower/Pro Series muffler and resonator but it'll still drones.
I've seen the modded covers to give the wastgate more travel and also drilling the ports larger while still being covered by the disks.
L5P with 100's trying to get more on top of the charger while cruising over my 472 if the .91 housing had a wastegate I'd jump on that and worry less about...
Most of the contributors are still active here.
Mostly trying to figure out if I can have my cake and eat it too with a fast spooling single and using a wastegate on the top end to regulate drive pressure.