Hi David, sounds like you may be very familiar with the 13 RTL as I am. I am struggling with an exhaust upgrade because of a rattling muffler. seems no one remembers or offers the angled intermediate pipe between muffler and cat delete pipe, which is the same as the cat. any ideas?
I got a cat delete from one of the guys on the site here.....
I contacted www.spyder1attitude.com and he made me a triple out muffler for the 998
I believe he also has the cat bypass for the 998.