[calling911]

So after some scraping and grinding and so on.. my muffler seems to say:

Bischoff 911 025 00 (and it looks like the 2nd 0 in 00 was replaced with a 2 or visa versa at one point) / 74

So 911 025 00(2) / 74

Trying to find info on it but coming up with very little so far.