BMW 440i Stock Exhaust vs M performance cold start, revs

M performance back box on my 440i no other exhaust mods (not MPPSK)

[KJ-qhss]

Was it noticeably louder even without a tune? We’re you happy w/ it, also would you delete the 2 resonators?

[JoosySmooyay]

This sounds so damn good but my estate is way too quiet for it 🤣 already upsets half of them at it is lmao

[baileydrayton]

Very nice, would you consider selling?

[borinvlogs]

any chance that you live in hampshire? need to bring this car to local car meet to let other experience this beautiful sound from turbocharged car. 👍