Leistritz Muffler ID

[bcheney]

I have a Leistritz factory muffler in excellent shape. Not sure what year and model 911 or 9146 it may have come from. Can anyone help ID it for me. Here is the part number stamped on it. 901.011.09587

Thanks

[Burint]

Mine came with RHD 1967
911 011 08/11 73

[berettafan]

i believe the last two no's (as shown above) are your date code. as such i'm guessing it's a single inlet from a carrera?

[Joe Bob]

Based on the bend on the tail pipe, it looks to be a 911. Most 914/6 mufflers are modifed to exit the stock valance exit and will use a 911 muffler. I plan to....