Originally Posted by THE TECH
I would always go bigger. The only possible negative issues is that not all wheels can clear a 380 kit. Otherwise I see no negatives about the larger kit.
Thanks! My track wheels are Apex Arc-8's in 18 x10 and I was told that the 380's will still fit. I am mainly concerned with the difference in stopping power, increased upsprung weight of larger caliper/disk, and the availability and cost of the larger brake pads.