finally getting somewhere now, rang a bespoke place, he said hes done them b4, and its a massive job to get right,
otherwise you get a droning noise,
Price £650 and 3 weeks notice to get box fabricated
any way rang lexus, and with all the loyalty discounts etc, got both boxes down to £431 all in, find out from mechanic how much to fit too, but cant see it being £400 that lexus want!!!