I had a crack in a boot, had it replaced for ($200)
Perhaps, you should take it to a well respected Porsche Specialist Mechanic in your area.
I use Hergesheimer Motorsports in Lake Forest for excellent quality work and a bit cheaper than the dealership.
www.herg.net
Check out the latest issue of Excellence Mag, perhaps there is a shop in your area that is advertising.
Just a thought.
KRZ