Correct duct transitions and plenums right through set up scale back turbulence and noise

https://privatebin.net/?1088e935cbd5ffc4#31E3h5W48uJJNGbQoLTA2K4jvvkC6fMSAx7CoAGZWjip

Correct duct transitions and plenums all the way through installing scale down turbulence and noise, getting better airflow and extending furnace part lifestyles.