Stock sway bar or aftermarket?

[frankozz]

I have a spare 1g awd subframe from the last gsx I had.
I noticed that it had a blue sway bar with poly bushings, how can I tell if it's a stock or aftermarket one?
I measured it with a digital measuring tool and it's 22mm all across.

I have pictures.

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[craracer05]

Looks exactly like a suspension techniques sway bar just blue.

 

[Spoolin18]

Suspension techniques is 2" diameter..I think.

 

[PieEyedPiper]

AFIK, there are two versions of the ST sway bars. The latest being green.
Either way, that is not a stock bar.

Is the bar hollow or solid?

 

[frankozz]

Suspension Techniques 51190 - Suspension Techniques Rear Sway Bars - Overview - SummitRacing.com

I think this is it. Looks exactly like and it's 1 inch thick. I don't remember if it was 22mm or 25mm. If it's 25mm then it's a Suspension Techniques sway bar.