I've bought such a foglight kit for my old ep2 civic. All wiring had plugs on them and they just clicked in place in the fusebox. Even the foglight button was the same size as the other switches so popped in place on the original spot (right from steering wheel, on top of coin drawer) literally...
And it's a shame the subaru interiors look like a restinghome for old people. Really turns me of on the brand. Only the last model of legacy loons a bit decent and luxurious
The dealer (belgium!!) did it with mine too. As my accord doesn't burn oil, i don't check it regularely. So took up to 2500 miles before i noticed. Glad i drive like a grandad...
Having a projector in your headlight as standard, there's no way other people will get dazzled by them. At least if you point them properly (garage/mecanic).