Tune required?
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Novice
Joined: Apr 2012
Posts: 24
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From: Atlanta
Tune required?
Just purchased the Samson True Duals with removable baffles. Is it necessary that I get a tune immediately? Big expense for all at the same time so was hoping to get the exhaust on while saving for tuner, air cleaner, etc. Any harm in waiting on the tune?
Road Captain
Joined: Jul 2007
Posts: 552
Likes: 1
From: las vegas nv
Tune or not to Tune
With just an exhaust change no you do not need a tune. Even if you change the air cleaner you still do not need a tune or the HD download. The stock ECM will work just fine, it will adjust. It may not be the most optimum setup but it will run fine and when you have the funds get a fuel management system and a dyno. I ran my 09 Heritage with rush slipons and K&N filter for several years with stock ECM, no problems. Others may tell you different but this is straight from an HD Tech with over 30 years and from several independents also. So, do it and ride it and when you get the money, fine tune it.
Seasoned HDF Member
Joined: Sep 2009
Posts: 25,292
Likes: 2,427
From: Eastern NE
Rule(s) of thumb:
1. Slip-on's only = no
2. Exhaust swap = yes
3. Breather = yes
4. Exhaust + breather = hell yes
Your bike so do/spend what you want. I just rec'd my new EJK tuner today...cost = $175 = cheap insurance.
1. Slip-on's only = no
2. Exhaust swap = yes
3. Breather = yes
4. Exhaust + breather = hell yes
Your bike so do/spend what you want. I just rec'd my new EJK tuner today...cost = $175 = cheap insurance.
Seasoned HDF Member
Joined: Feb 2012
Posts: 13,456
Likes: 10,452
From: Sunshine State
Thats an interesting tuner you purchased. Keep us posted to how you like it. I'd be interested for sure.
Cruiser
Joined: Apr 2011
Posts: 116
Likes: 0
From: Ireland
On Samson's own website, in the FAQ section, they state you don't need to re-map a fuel injected bike, but they recommend re-jetting a carb bike.
I'm looking at Samson true duels without the baffles for my Springer, so I'm also interested in what others have to say.
I'm looking at Samson true duels without the baffles for my Springer, so I'm also interested in what others have to say.
Road Warrior
Joined: Jun 2010
Posts: 1,337
Likes: 4
From: Sunny South Florida
Loaded question. If your bike is EFI AND has O2 sensors, no tuner should be needed if you just do pipes. If it does not have O2's then I would get a tuner or you risk running lean and heating up the pipes (blueing) but as stated, it's your bike.
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Seasoned HDF Member
Joined: Sep 2009
Posts: 25,292
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From: Eastern NE
Military discounted price/shipped: http://www.electronicjetkit.com/
Been running their TFI for past two years & this is the next level upgrade from Dobeck Performance.
Been running their TFI for past two years & this is the next level upgrade from Dobeck Performance.
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Novice
Joined: Apr 2012
Posts: 24
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From: Atlanta
Thanks all for the responses. I put the exhaust on today. Runs fine and I think it will be even better after it adjusts and breaks in. Likely going to go ahead and get the tune in a few weeks. Had always planned on it, but glad I don't have to do it right away.
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Novice
Joined: Apr 2012
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From: Atlanta
2012 so EFI with O2.
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