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Hi all - wondering if anyone can shed some light..
I drove from Sydney to Canberra on the weekend, and by the time I arrived in Canberra the sound of my exhaust had completely changed - it sounded totally muffled and had lost all the rasp - since the trip when the car/exhaust is warmed up it is sounding the same, totally different to how it used to be (sounds almost like a standard exhaust again)
Setup
2016 F80 ZCP
MPe with about 11,000kms
Valve controller
I have checked to make sure the valves are open and can't think of anything else that could be causing this - any ideas?
EDIT - I had the software in the car updated on Friday before the trip - thinking maybe the valve controller needs to be updated as well
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