This HKS turbo replaces the stocky in standard position and is internally gated.
The plazmaman plenum pictured uses the stock runners.
Note also the plumb-back BOV, which is legal.
None of this really matters, what matters is:
1) suspension allows underside to be at least 100mm from ground
2) noise at 3000rpm
3) emissions reading from exhaust
I havent been online for a while so I'm probably too late.
The TEIN suspension is fully adjustable and you should be able to adjust the ride high to meet legal requirements. That said, the only thing that was illegal was the exhaust being too loud, just needed a resonator or or something to take the drone out.
Let us know how you went huh?