I made my own removable rack using lifters, galvanized conduit, and roof pads. I could make the kayak sturdier (highway) but no need since both of the reservoirs I fish are back roads and 10 min away. I have a Hobie Mirage Revolution Kayak that cost me an arm and a leg!

Specifications:
Length: 13' 5" / 4.09 m
Width: 28.5" / 0.72 m
Weight: 58 lbs. / 26.3 kg
Mirage Drive Weight: 6.6 lbs. / 3 kg
Capacity: 350 lbs. / 159 kg