Mix Marinade Mix, vinegar, oil, ketchup and red pepper in large bowl. Add wings; toss to coat evenly. Cover.
Refrigerate 30 minutes or longer for extra flavor. Remove chicken from marinade. Discard any remaining marinade.
Grill over medium heat 15 to 18 minutes or until cooked through, turning frequently. Or, bake in preheated 400°F oven in 15x10x1-inch baking pan for 30 to 35 minutes. Serve with ranch or blue cheese dressing, if desired.