So we've had some great smelling water for the last couple trips, finally figured it out today that it was from a few trips ago in and the smell was coming from water still trapped in the filter. Rather than continue to pay $30 a filter for the KW1 filters I bought a standard filter canister that accepts standard 10" whole house filters and swapped them today. Pretty easy mod and now can get 2 filters for under $10 and can purchase them darn near anywhere! Took me a whopping 10 min to do.
Jack of all trades - Master of none
2012 F350 CC DRW - 6.7L PSD
2014 Sabre 36QBOK