Bring a large pot of salted water to a boil. Add macaroni and cook for 8-10 minutes. Drain and rinse under cold water.

In a mixing bowl, whisk together mayonnaise, sour cream, lime juice, taco seasoning, salt, and pepper until smooth.

In a large bowl, combine macaroni, black beans, sweet corn, bell peppers, red onion, and cilantro. Fold together.

Pour dressing over the salad mixture and gently toss to coat.

Cover and refrigerate for at least 1 hour.

Stir before serving and garnish with cilantro and lime wedges.