This is a A-A147046 Muffler PN: A147046Main Description As Following : A-A147046 Muffler P.N: A147046 Vertical / Oval Body - 8" X 11 1/2" Shell Dimension. Muffler Has Curved Aspirator 1 1/4" With 2 Hole BaseplateDim A (1): A: 2 1/2" INLET LENGTHDim B (2): B: 4" INLET I.D.Dim C (3): C: 28" SHELL LENGTHDim D (4): D: 23" OUTLET LENGTHDim E (5): E: BENT PIPEDim F (6): F: 54" OVERALL LENGTH Crossed From: AMA147046 , , CA-30 STANLEY MUFFLER , 1717-1022 , Found in Section & Models : Mufflers/Exhaust Pipes > Mufflers, Case-IH TRACTOR: 2670 Associated Items : A-CL400 Also A-CA-O-2670, A-CA-P-2670, A-CA-S-2470LATE And : Dim A (1): A: 2 1/2" INLET LENGTH Dim B (2): B: 4" INLET I.D. Dim C (3): C: 28" SHELL LENGTH Dim D (4): D: 23" OUTLET LENGTH Dim E (5): E: BENT PIPE Dim F (6): F: 54" OVERALL LENGTH