Have you cleaned out your cowl lately?

What a coincidence.. Earlier today the Toyota service advisor brought the cabin air filter from wifes RAV to the cussers lounge to show me how nasty it is ( only 2 years ). I joked that my 67 Plymouth needs a new one too.
But seriously folks... Even if 2 were required, wouldn't it be great to gain access through the filter service doors ? The cleaner cabin air would be a bonus.