Yes it is legal, one of my mates owns a farm and has old air strip..
I'll give you the run down.
1988 Fairmont Ghia 3.9i (muit-point)
Yes it does have EFI
extractors 2.5 zorst
and a modified air in take (XF)
Comodore VR Aclaim.
Standard with 3.0 zorst..
AU 1 Fairmont ~ Air Pod/Cold Air Intake ~Clear Side Indercators ~ Electronic Shift Kit! (Always fun!) Alpine Head Deck ~ 12" Kenwood 800watt Sub ~ Boss 4 x 1000 watt Amp ~ Kenwood 6x9's in the back ~ Pioneer Splits Front ~