has anyone got one of these with the Tunnel Extension Kit?

We bought the Highlander 2 from M&M Leisure in Mildenhall and after the guy measured up the 'van we still need to purchase the Tunnel Extension Kit as our 'van is a coachbuilt which is too tall for the annexe itself.

Just really wondered what the Kit actually is, as Dorema and the Web seem to give very little away as to what it actually is and how it fits onto the 'van and exsisting awning/annexe



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David HT Mod