Need to strip confusing & unecessary parameters out of CATALook product page URLs

Here's the problem:

I have a CATALook site with many product pages (i.e. each containing an ItemPane module). Each page is configured to show a specific CATALook CategoryID. When a page is opened CATALook forces a 302 redirect to a URL in this form:

/MENS/BRAND/Hackett/tabid/3017/List/0/CategoryID/240/Level/a/Default.aspx?SortField=ISBN,ProductName

Google has now indexed these URLs, but since then I have changed the CategoryID associated with each page. Now the above URL generates a "No products found" message (because the CategoryID is wrong). The correct URL is:

/MENS/BRAND/Hackett/tabid/3017/List/0/CategoryID/2134/Level/a/Default.aspx?SortField=ISBN,ProductName

However, the perfect URL for the page, in my opinion, would not contain any of the CATALook parameters (List, CategoryID, Level, SortField). It would be the URL that just takes you to the TabID of the page, i.e.:

/MENS/BRAND/Hackett/tabid/3017/Default.aspx

Could PB intercept a request for a URL with all the CATALook-added parameters and strip them out before passing it to DNN to process? Or is this a case where PB could force a 301 redirect to my "ideal" URL?

You can create Rewrite Rules manually in the SiteUrls.config, but that system typically goes the other way.

For SEO you want the shorter URL coming in, which will be turned into the longer Url for DNN (and then Catalook) to process.

I actually use SiteUrls.config for some of my Urls now.  For example: http://www.snapsis.com/PageBlaster.aspx

That is actually rewritten internally to ~/Default.aspx?tabid=589&ProductID=23&List=1 using SiteUrls.config

Right, so I was thinking I could do something like this:

rewriterrule
lookfor  .*/MENS/BRAND/Hackett/tabid/3017/List/0/CategoryID/2134/Level/a/Default.aspx /lookfor
sendto  ~/MENS/BRAND/Hackett/tabid/3017/Default.aspx /sendto
/rewriterrule

(with some RegEx to deal with all TabIDs/List/CategoryIDs dynamically)

Again, this is not an exercise in outputting friendly URLs. Google has a bunch of URLs in its index in the LookFor format above, and because the CategoryID parameter is wrong in those URLs, the page shows "No Products Found". If I could get these incoming URLs to be processed by DNN (and then Catalook) in the SendTo format above (i.e. with the List/n/CategoryID/nnnn/Level/a part of the URL stripped out), then the page would display correctly.