There are a couple of articles in the March Trailer Life that may be of marginal interest:
Page 20 features a piece on the '04. 5. The most interesting part was that they claimed the exhaust brake (available from Mopar for dealer installation) "is now certified for both manual and automatic transmissions and won't void warranty". Hmmmmmmm, hate to get scooped by TL
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The feature on Page 42 featured an '03 pulling a 15,726# New Horizons Summit 35' fiver and the test results on page 44 of that article were somewhat interesting.
Dean
Page 20 features a piece on the '04. 5. The most interesting part was that they claimed the exhaust brake (available from Mopar for dealer installation) "is now certified for both manual and automatic transmissions and won't void warranty". Hmmmmmmm, hate to get scooped by TL

The feature on Page 42 featured an '03 pulling a 15,726# New Horizons Summit 35' fiver and the test results on page 44 of that article were somewhat interesting.
Dean