swapping de-catted OEM exhaust. New map needed?
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Road Master
Joined: Sep 2012
Posts: 876
Likes: 4
From: Waskom, TX
swapping de-catted OEM exhaust. New map needed?
Tax refund came in!! 
I'm going to swap my de-catted OEM headpipe and slipons for V&H Power Duals and Big Louie 4" mufflers. I've already got a Fuel Moto air cleaner and a Power Vision Tuner. When Fuel Moto sent the tuner, they included a map that worked great with the bike as it is now. With the aftermarket exhaust, will I need a new map, or should a few basic auto tune runs take care of the difference?
Thanks
David
I'm going to swap my de-catted OEM headpipe and slipons for V&H Power Duals and Big Louie 4" mufflers. I've already got a Fuel Moto air cleaner and a Power Vision Tuner. When Fuel Moto sent the tuner, they included a map that worked great with the bike as it is now. With the aftermarket exhaust, will I need a new map, or should a few basic auto tune runs take care of the difference?Thanks
David
Road Master
Joined: Sep 2010
Posts: 803
Likes: 1
From: Port St. Lucie FL
I actually just did this swap during bike week. Picked up the power duals from V&H at the show to replace my de-catted stock pipes. DynoJet had a booth there also so I asked the question (I have a PC-V not a PV) and they said yes it needed a new map. They actually told me to bring the bike over to them after V&H was done with the install and they would drop a new map in it for me, which I did.
It may be that the auto tune feature in the PV will take care of things for you where they wouldn't with me, as I didn't add the AT module onto my PC-V. Fuel Moto should be able to tell you pretty quick if you give them a call.
It may be that the auto tune feature in the PV will take care of things for you where they wouldn't with me, as I didn't add the AT module onto my PC-V. Fuel Moto should be able to tell you pretty quick if you give them a call.
Seasoned HDF Member
Joined: Sep 2008
Posts: 14,156
Likes: 11,244
From: San Diego, CA
I believe there will be only a slight change in the VE when you remove the cat. I would run a few auto tunes (until you get within 4%)... then you're done.
I have a '12 Limited w/SE255 cams, SE air cleaner, and SE slip-ons. Yeah I know, but it was a new bike that I rode cross country and wanted the warranty in tact.
When I bought my PV from Fuel Moto, I told them that I would be buying their 2-1-2 head pipe in the future. I forgot who I spoke with, but he said I wouldn't need a new tune when I switched head pipes...
Just my $.02....
I have a '12 Limited w/SE255 cams, SE air cleaner, and SE slip-ons. Yeah I know, but it was a new bike that I rode cross country and wanted the warranty in tact.
When I bought my PV from Fuel Moto, I told them that I would be buying their 2-1-2 head pipe in the future. I forgot who I spoke with, but he said I wouldn't need a new tune when I switched head pipes...
Just my $.02....
Tourer
Joined: May 2013
Posts: 252
Likes: 2
From: Ontario, Canada
I just did Jackpot 2-1-2, SE ventilator AC and the stock slip-ons. The head pipe opened up the sound. Really like it. Just took me about 3 hours and 3 extra hose clamps to get the heat shields lined up. Used the hose clamps to space the shields out and close the gaps.
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