3" 45 Degree Bend And 180 Degree Bend 16 Gauge Aluminized

3" OD 16 Gauge Aluminized Steel 45 Degree Mandrel Bend x 1 180 Degree Mandrel Bend x 1 Improve your vehicles air flow with mandrel bent exhaust components from Khaos Motorsports. A mandrel is placed inside the pipe as it is clamped and pulled around a die. This ensures the inside diameter maintains its shape and does not wrinkle. This creates a smooth ID that does not restrict airflow. Better airflow improves gas mileage, horsepower, and sound.