<br /><br />Dual exhaust will exit from the snout on the gearcase and through the prop. <--Newer<br /><br />Single exhaust will exit though the snout only.<br /><br />Easy way to tell. Remove the prop. Do you see 4 bolts or a large retainer nut?<br /><br />4bolts..single exhaust.<br />Large retainer nut..Dual exhaust.<br /><br />TMD
