Originally Posted by JARblue

Been looking through the forum for finned diff cover discussions. I'm getting a Wavetrac differential, so I probably don't need a diff cooler. Initially I was looking at the Z1 high capacity finned diff cover, but I'm not real happy with the way Z1 has been treating their customers lately. Plus it interferes with the FI exhaust and will require trimming of the fins.

Does anyone know if the fins on the Nismo finned diff cover interfere with the FI exhaust? Any additional thoughts on why one might be better or worse than the other?