Exhaust Flanges (2" 3-bolt?)

[MaxBell]

Those of you with custom exhausts, where did you find 2" 3-bolt flanges to bolt to your manifolds?

I have M52 stainless manifolds and I want to build a full exhaust.

[justin_l_]

I got mine at a local exhaust shop. Napa had then in their book but not in stock.