Welcome to Just Commodores, a site specifically designed for all people who share the same passion as yourself.
While they may be adr approved, I don’t think they’re legal for road use without an engineers cert for that particular car.
So the price includes an appointment with a mods engineer and they sign your car off?
I don't much like the twin vent Monaro style but the one that has the Camaro/Corvette raised and vented is nice, would certainly help to bleed a lot of hot air out of the bay directly behind the radiator. Wonder how that would look on VT-VY?