2011 Arctic Cat Prowler XT/XTX/XTZ ATV/ROV Service Manual, Page 74Get this manual
5Set the exhaust pipe in place; then install the muffler and align the assembly to the engineInstall two cap screws securing the exhaust pipe to the cylinder head and tighten to 20 ft-lb6Install the inlet boot on the V-belt housing; then install the exhaust duct connecting the outlet housing to the V-belt housingTighten all clamps securely PR146
3Install the flange nuts on the rear engine mount studs; then secure the front engine mounting bracket to the front engine mount studs with two flange nutsTighten the four flange nuts to 45 ft-lb