Jones Exhaust Y Pipe 3X2.25X4X10,Formula Z Exhaust Z-Pipe: 1.875,Amazon.com: Exhaust Stack Pipe Compatible With KUBOTA 1-3/4,C13-3448 - EMPI - 1-5/8 INCH STAINLESS STEEL SIDEFLOW/SIDEWINDER MERGED EXHAUST SYSTEM WITH J-PIPES - 1600CC STYLE ENGINE - BUS TO-67 - SOLD EACH,7S7681: PIPE, EXHAUST (TZ1)