Can I use a full fmf system without a tune?

Rct851
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Rct851
Edited Date/Time 5/11/2017 4:34pm
will a 2017 yz250f with the full 4.1 run well enough to Moto with the stock tune. I'm in Houston so sea level, mild, humid.

I understand it may not be "optimized" but is going to the track this weekend a waste?
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CarlinoJoeVideo
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CarlinoJoeVideo 5/11/2017 5:48pm
5/11/2017 5:48pm Edited Date/Time 5/11/2017 5:49pm
Yes it's fine, the exhaust brands are making these systems based on stock mapping and stock bikes.

You can always get more out of a tune, but your bike will run great as a bolt on mod.
kkawboy14
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kkawboy14 5/11/2017 5:50pm
5/11/2017 5:50pm Edited Date/Time 5/11/2017 5:50pm
Yes it's basically a sweet looking, sweet sounding $1000 saxophone!
TeamGreen
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TeamGreen 5/11/2017 6:47pm
5/11/2017 6:47pm
Yup

Recently tried it on an RMZ. It shredded

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