Diameter of R20 vector tower???

[bsreid]

looking at buying some lights for the tower of our 2014 tige R20, but I need to know the diameter to get the right mount.

I would just go and measure it, but it's up at the lake right now.

Thanks

[PaceWithGrace]

2 3/8 inches.

My cardboard calipers:




IMG_20150621_181709232.jpg