This does not work with 2-1 exhausts. The seller is macmodel and is located in Kenosha, Wisconsin. Country/Region of Manufacture United States. W = 5.5 inches. Very lightweight and probably one of the largest battery boxes available and most versatile.
There is a picture taken with a ruler for the size. It was actually used in WW2. Black gunto carp fuchikashira ww2 japanese army sword samurai katana wwii there may be scratches not shown in the photo. Thank you for your understanding. The age is an estimate. The remnants of that time remain.