Tuner questions
Tourer
Joined: Feb 2012
Posts: 321
Likes: 85
From: Maine
With the M8 you really don't need a tuner especially if your only changing out the exhaust system.
Yes, it will work with the V&H exhaust system. It is a plug and play unit and you can do it yourself if your doing just a can tune. Only reason the dealer would install a tune is if they will be dyno tuning it.
Yes, it will work with the V&H exhaust system. It is a plug and play unit and you can do it yourself if your doing just a can tune. Only reason the dealer would install a tune is if they will be dyno tuning it.
DK Customs had put out a video on differences between the twin cams and M8's and whether a tune was necessary.
Here is the latest video pertaining to the 2021 models. Good solid info here:
From my experience....no tune is necessary when it comes to a simple stage 1 upgrade with slip ons and high flow intake.
Bottom line for me.....screw the warranty. I'm not a conformist and not going to wait 2 years for the warranty to expire to make a bike my own.
That being said, if someone wants to waste $400.00 on tuner they don't need, that's there prerogative.
Road Captain
Joined: Jul 2011
Posts: 519
Likes: 203
From: dunedin, fl
what they said..............with the M8, there really is no stage 1. Stage 1 is a gateway drug for stage 11. With a tuner, slip ons, and high flow filter, you will notice zero difference with a tuner, no matter who the manufacturer is. now with stage 11? oh boy, she pulls like a tractor!
Stage III
Joined: Apr 2020
Posts: 3
Likes: 1
From: Chandler, AZ
Tuner question answered
Have to disagree with reply indicating tuner has no effect on slip on high flow additions. I have Vance and Hines slip ons screaming eagle airflow and I installed a Vance and Hines fuel pack three tuner made a very noticeable difference. Can change throttle response, remove decel popping, and various other parameters with your smartphone and the VH app, while you are riding the bike. Highly recommended add on.
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.Sonny.
Ignition/Tuner/ECM/Fuel Injection
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Jul 2, 2019 05:32 PM
