Sorry, I can't give an informed comment on that. The Touring is different than the other Rockets.
I believe the catalytic is in the cans, so you should have more power, just won't be a bunch over the stock.
Someone like
@Paul Bryant can advise better than I on the intricacies of the exhaust. He is the proprietor, designer and fabricator of Viking Exhaust in New Zealand.
To identify parts, just google the part number... it will bring it up. You can also use Bike Bandit to pull up the OEM parts as well.