The unit weighs around 3.2kg with the plug and wires around 400 grams so yes not a great deal
But the reason for removing it was to trail fit the abs delete kit that I bought from pro-line motorsport earlier in the year for my other car, so all the old brake pipes have been removed and the new lines installed with cable ties.
My RS front seat has been borrowed and fitted, didn't fit a bucket seat as I did not wish to mess around with seat belts