Hi Rusty,
I hate making a reply and "not having all the facts handy" - but to answer your question...
Yes, K&N makes a filter that is a perfect fit - and it replaces that horsehair element that GM was kind to install.
Now, I do not have the part number for it - and it is not listed in the K&N application chart.
Not recommending you "jump ship" - but check out
http://www.chevytalk.com and post your question in the 55-57 stock forum. There are several guys over there running this filter and they love it!
:p