For 1″ ID Hose
$39.95
KOSO Fast Response Sensor, 40-60mm (28-CKTYPEX)
KOSO Water Temp Sensor Adapter, 22mm (BG022B01)
O2 Adapter, Bosch Wideband Sensor (BG001855)
Bosch Oxygen Sensor, Wideband (28-BOSCH)