Can you buy these?
 

My BTL came in today and I'm stoked! The rubber trim ring is chewed to though and wanna buy a new one, can I?

Of course, just a matter of tracking down someone who sells them, I'd start with E bay and go from there.

Edit: Odd. FI Sells recones direct but not just foam kits.

Might be tough to track a foam kit down, if anything it'd probably be aftermarket. Seems like they're trying to gouge by forcing you to buy an entire recone kit even if you only want to replace the foam.

i think he's talking about a gasket.

a gasket from any same size sub should fit.

if you bought your sub new from FI and it came with a damaged gasket then give them a call im sure they will gladly replace it. if you bought it used then Im sure they will be willing to sell you a new one... try their forum to get some info.
you'll have to do a search..cant post other forum addy on here

if it matters based on looks then i can prob track one down for you

IF its not based on looks just use some foam tape underneath the basket

Yeah, just for asthetics