Stanley Part Number Tractor Application & Description Inlet Length (A) Inlet I.D. (B) Shell Length (C) Outlet Length (D) Outlet O.D. (E) O/A Length (F) Wgt in LBS
2,1/4 2,3/8 6,1/2 1,1/4 1,3/4 10 6
OL-4

CL-212 (Inlet), CL-134 (Outlet)

77 & 88 (Diesel) Application note: Underhood muffler, see OL-4A pipe.