I'm planning to replace my primary cats and install new pre and post O2 sensors. Clearance looks fairly tight up in there, but we're only talking about 5 nuts on each side holding the primary cats in place.

How many hours per nut should I allocate as a DIY, or is this one worth paying someone for the aggrevation?

 

This is a project I've been pondering for several reasons other than just whether or not I want to take it on. I was looking last time I was under the car and the passenger side looks fairly easy. Not a ton of room but certainly more than the driver's side.

Or am I remembering that backwards maybe? Could be because the front diff should be in the way on the passenger side. Either way, one side is going to be a lot easier than the other.

Kent can probably answer the time required as I think he's done his a few times.

 

I am interested as well. I was just under my cayenne and it is the passenger side thathlooked much more difficult

 

Yeah I thought I had it backwards. Makes much more sense since it's the diff that makes it so tight on the passenger side.