and even if he did bork the install Andrew would honor his product as boostsomething made an incomplete install of mine not their fault my rear housing was wrong and Andrew fixed it
to tell you the truth there is very little sound difference from the HD212pro too 280pro the 280pro let less outside sound in but because of that they sit on your head tighter and can cause headaches
Totaly acceptable use of thread bump guys
Take your bov off grab a pen trace around it and cut coke can up a good pair of scissors is all that's needed