A
I mean I guess you could take those off too but,
B
You could take ca-, but mufflers would be a little more obvious if you took that off.
A
Yeah, if you can take a muffler off and only replace, well not unless it was built into every muffler.
B
Right.
A
And that's MUMBLEx.
B
But if you was talking about something which was more or less universal that, uh, busses and any kind of vehicle,