Originally posted by import-tooner
The b16a would use a shorter manifold. You can use the b18 manifold on the b16 but not the other way around. The b18 manifold on a b16 would just hang lower.
thats true for regular n/a headers, but he's asking about turbo exhaust manifolds.
Any turbo exhaust manifold for B-series will fit. Once its on and put together, just get a downpipe that will clear the bottom of the motor, as Kai said.