That is the BCS TBE I had fitted in Sept 2011, I dug out the receipt this morning. I am going to call Nige this morning, as it's not what I would expect for a system that cost the best part of £900.
The join in my pic is [I think from memory] the first join behind the rear box... I don't have access to any ramps / jacks to have a better look / photo but will try to get a better view than the one uploaded