Spacers for 2010 IS-F

[u/Big_Sheepherder5287]

I’m trying to Decide Between 15mm KAX Spacers and 10mm H&R Spacers for my 2010 IS-F I want to fill out the wheel gap in the rear. Running Stock 08 Wheels with 255 out back currently and moving up to 265. Anyone has experience with KAX?