Question About 2017 M8 ECM
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Intermediate
Joined: Feb 2016
Posts: 39
Likes: 12
From: Marietta, GA
Question About 2017 M8 ECM
I have a 2017 Tri Glide. I am going to install a set of V&H Trike DeLuxe slip ons because I like the sound. Will the ECM adapt to the new pipes without installing a tuner/and or Stage 1 intake? Thank you for your responses.
Road Captain
Joined: Sep 2013
Posts: 672
Likes: 99
From: Michigan
I would recumbent a power vision from fuel Moto. the stock HD tune is lean to comply with the eps.
a power vision on a 100% stock bike will improve the performance.
but, no, one is not needed for now.
a power vision on a 100% stock bike will improve the performance.
but, no, one is not needed for now.
Elite HDF Member
Joined: Jun 2011
Posts: 3,832
Likes: 127
From: Coastal Carolina
The rule of thumb used to be that if all you were doing was putting on slip-ons without opening up the breather, you didn't need to flash the ECM or add a tuner. Interestingly, however, my buddy just got a 2017 RK Special and if you look at the H-D street cannons for that bike (which he did) it says that a tuner is required. I'm not sure why that is now the case, I just call that change to your attention. Those answering from experience with non M8 motors may not be aware of that change.
Grand HDF Member
Joined: Aug 2014
Posts: 3,612
Likes: 1,606
From: Eastern Ohio
But that will give the MOCO grounds to void the warranty. I've read about a couple guys getting denied warranty because the ecm shows that it's had an aftermarket tuner attached. YMMV
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garye5007
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Mar 10, 2018 12:18 AM
