[LockDoc]

Originally Posted by donandal

I don't know what these are exactly.
They were installed on my connect and cruise 5.3
and the package came with a different set of manifolds
that needed to be used with the cat. converter setup used
for emissions compliant setup that I am using.

The part numbers are listed in the first post above.
Here is a picture.

Originally Posted by MalibuSSwagon

Those look like standard truck manifolds.

I looked the numbers up and it looks like they are indeed truck manifolds. It listed them as fitting Silverado, Tahoe, etc.... so I will pass.

Thanks,
LockDoc