A quick search ... hopefully on your grocer's shelf...
Laury's Louisiana Red Pepper marinade.
Drizzle that over your pulled pork... party, party, party!
[edit... oops...that's a vinegar sauce.. not a mustard sauce]
Custom Klose Backyard Chef... of Snot, and a 22.5 WSM
Lang 84 Deluxe kitchen, Lang 60 Mobile - The Damsel II, Lang 48 Patio - The Damsel, Bubba Keg Grill - RIP, Double Barrel Smoker and a BSKD