I've look for 3 yrs for replacement foam and no one makes it. I ended up getting aftermarket seats because the cost to have a shop make them and recover came up to the sames as the seats. easy decision for me. plus the Braum A1 seats are just so comfortable and chef's kiss in looks compared to...
I've ran Bilstein for years, best bang for buck without breaking the bank. Look at it this way, partly a little more now or double later. Brands like Bilstein and KYB last longer and ride better then stock or bargain brand. I'm currently taking my Bilstein's from my 98 to my daughter's 00 vert...