Cook pasta according to package directions; drain. Cut shrimp in half lengthwise. In large skillet, cook bacon until crisp; drain. Stir in garlic and ground red pepper; cook and stir 1 minute.
Add stewed tomatoes with juice and tomato sauce. Cook, uncovered, over medium heat 10 minutes, stirring occasionally.
Add shrimp and green bell pepper; cook 2 to 3 minutes or until shrimp are pink. Just before serving, spoon sauce over hot fettuccine.