Spider - 105 & 115 Series (1966-1994)
So a large hole opened up just before the muffler the other day. Its time to replace the whole shebang. I have an early, two-piece, S2 style exhaust manifold. Its kind of rusty. How can I tell if its cracked? Are these cracks very evident, or slight?
Should I first sandblast the manifold? I...