This is a A-EE212 Exhaust Extension PN: EE212Main Description As Following : A-EE212 Exhaust Extension P.N: EE212 Includes CL212 Inlet ClampDim A (1): 2 1/2" INSIDE DIAMETERDim B (2): 18" OVERALL LENGTH Crossed From: EE-5 STANLEY MUFFLER , EE5MFLR , , 3017-0246 , , 79023420 ALLIS-CHALMERS , 79023420V AGCO Found in Section & Models : Mufflers/Exhaust Pipes > Exhaust Pipes, (Miscellaneous) (UNDEFINED): SEVERAL Associated Items : New Also This is An Aftermarket Product And : Includes CL212 Inlet Clamp Dim A (1): 2 1/2" INSIDE DIAMETER Dim B (2): 18" OVERALL LENGTH