Traditional lowriders run true daytons, which need NO adapters or knock offs.
They are usually 13" with 155/80r13's
Or are 14" with 175/70r14's
They problem becomes clearance with the rear skirts, I had 13x7's up front and 13x5.5's in the rear to get clearance on my 89 brougham.
With 14" wheels it's 14x7's and 14x6's to gain clearance.
Since your car is stock I'm not sure any of that matters.
You can run whatever you want. 15x7's are a better option,
I have a brand new set of center knockoffs with 2 bar spinners if you need them. $150 (paid $200)
Just remember red on right. White on left, all spinners tighten to the rear. So the rims on the passenger side left is tightening.
Make sure you carry a lead hammer with you, retighten every 80-100 miles. They WILL loosen up.
Oh and DIBS on any spoke wheels you buy then hate and sell