I have a 1977 911S with stock exchangers and exhaust. I want to swap in some Dansk SSI exchangers and a new exhaust. Based on my research, I need the thick flange exchangers. I won't be ordering from the site in the following link, but I just wanted to make sure this is the right Dansk part number. Can anyone confirm? I just want to make sure I get the right exchangers. Thanks. Jim
Dansk - 91.917SSI 1623105210 SSI Heat Exchanger set
My source seems to think I need these exchangers, but they appear to be thin flange:
https://www.tech9.ms/classic-parts/exhaust/dansk--91911ssi-1623104910-ssi-heat-exchanger-set-stainless-steel