ST Downpipes Coldstart and Light Reving

Recorded on a S20
2020 Ford Explorer ST
Mods detailed in video

[@Hakaibrah]

That 4 bolt diff 👌🏼😮‍💨

[@user-bs6dl7su5e]

Did you get 02 sensor codes after down pipes? I did with cvf down pipes. On my 23 st

[@TigernachVT]

I did not. Mine are catted, but maybe your O2 wires are damaged?

[@jwuonog]

Any drone when cruising?

[@TigernachVT]

No, I think it might be quieter cruising at 75 on the highway.