Yeah thats the trouble I was having too. I thought about removing the Subaru center cap and trying to use a mono-bolt setup...but I am too concerned about the one bolt failing, or god forbid and accident and the cap becomes a spinning disk of death.
When I was younger, I was in a car that got hit by a hubcap from the opposing highway lane. It took out the headlamp and the portion of the fender. I'm not sure if it would have made it though the safty glass had it been a windshield impact, but either way I'm not favorable to the one bolt disk.
Brucey, did you use any type of backing? Or did you just us the aluminum ductwork tape? Multiple layers by chance?
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