Idaho Red Rocket 3
Living Legend
- Joined
- Nov 22, 2008
- Messages
- 5,720
- Location
- Nampa, Idaho USA
- Ride
- 2006 RIII Standard Bagger w/Fairing
Since your bike is an '05 that big squarish box is the "cat box". Now the fact that it is an '05 it could have a cat in it or it could be empty. They made them both ways in that year. You need to take it off and look inside to be sure. Also weighing it may reveal more details as well. If it is a cat and not empty it is best to get a cat delete pipe to allow for better flow. Triumph claimed a 10 HP gain when installing the cat delete pipe. If it is empty, I would think you are good to go as is. I put the OEM cat delete pipe on mine first thing, even with the stock pipes still on it. Made a nice difference. Later I added the 3 pipe TORs and that is even better. Actually I have the right top pipe and the pipe on the left are the TORS and the bottom right is the stock pipe. A little less loud and a nice sound for me.
Last edited: