fitted sub the weekend, install took about 2hrs, no real dramas really, hardest part was getting power through bulkhead, from reading a write up on here someone talked about getting behind the battery (upon removal) and there is a rubber bung you can feed through.
Upon getting to this point, it is vertually impossible to get your hand and the cable into this point to "feed" therfore bodgers approach No1, longest screwdriver i could find, gaffa tape power cable to it, then probe bung intil penetration!!! and sucess after relativly little time!
snap lock connections to the speaker wires into line level converter, likewise connection to fag lighter 12v supply, this pops up literally around the fag lighter if you find a flat tool,
only thing left to do is secure the sub into place, as the almighty power of the cupra tends to make it wanna slide forward lol.....
simple as peas!