Tune for 2005 Ramair cat delete with stock pipes

ReverseGreen

Standard Bore
Joined
Apr 20, 2026
Messages
8
Ride
2005 Rocket iii
I'm looking into installing a ramair and fabricating a cat bypass pipe for my 05. Does anyone have a good tune for this. I've heard 20227 is a good base for that tune but I'm have trouble finding one. I've also read Hans0 had a good tune for that but he's not making them anymore. I'm using Tune ECU.
 
If your bike is an 05 the cat is empty. They didn't put anything in that box until 06 so a bypass isn't necessary unless you just want to remove some weight. Look in the custom maps folder on TuneECU's website there are a number of tunes for the 05 model with varying results. I'll assume you have the cable, the older bikes cannot be retuned with a bluetooth OBD.
 
I have the cable. This is the first I've heard of the box being empty. I'm mostly just trying to get better airflow.
 
You can pull the cat box out and weigh it. If it's just a couple pounds, it's empty. That's what I found on my 05 Standard when I put the cat delete pipe in. If the box weighs like 11 pounds or more the catalyst is in it,
 
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