The Roadmaster XL Base Plate Kit for your 2001 Toyota MR2 Spyder is their part # 1169-1 and these base plates are compatible with all Roadmaster tow bars, including their Falcon All Terrain model # RM-522.
The tow bar and base plates are two of the components required for safe and legal flat towing. Other required items include a set of safety cables, a wiring/lighting kit of some type to operate the Spyder's lights, a high/low hitch adapter to keep to tow bar level and a braking system... view full answer...