Heat olive oil and add red pepper flakes in a large skillet. Brown kielbasa on both sides in olive oil and pepper flakes for 5-7 minutes.
Add peppers and onion to skillet. Cook until peppers start to soften. This should take about 10-12 minutes.
Add reserved pineapple juice and brown sugar to skillet. Cook for another 20 minutes.
Add black beans. Cook for another 10 minutes.
Add pineapple chunks. Simmer until you have desired sauce amount and thickness. This should take about 20 minutes.
While kielbasa mixture is simmering, boil egg noodles, according to package directions, and drain.
Serve kielbasa mixture over egg noodles.
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