Easily with Cleaner. Make a new setting with the Output tab set up like you want it, and with Tracks set to "Flatten only." That'll avoid a recompression.
My Book:
http://www.benwaggoner.com/books.htm
Cleaner e-book:
http://www.cmpbooks.com/cleaner/
Compression Class at Stanford:
http://www.digitalmediaacademy.org/compression.html