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Old Jul 25, 2019 | 04:59 PM
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Hey guys. I've searched and while people say with just a exhaust you can run without a tune and be ok. I just got a 2015 Rushmore bike. And to my understanding they put a more free flowing filter on the ho 103. Is it still ok to run a 2 to 1 on these with no tune.
 
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Old Jul 25, 2019 | 09:31 PM
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Just get an fp3 and tune it. You’ll be much happier.
 
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Old Jul 25, 2019 | 11:27 PM
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Not really. Sure it got a better flowing air cleaner but it’s still lean from the factory. Your choice!
 
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Old Jul 26, 2019 | 12:14 AM
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Originally Posted by Marklovell90
...Is it still ok to run a 2 to 1 on these with no tune.
There are two answers to this question:

1. You never have to tune a bike if you don't want to. Will it run as well as it would if you did tune it? No. Will it run crappy if you don't tune it? Maybe.

2. No.
 

Last edited by IdahoHacker; Jul 26, 2019 at 12:19 AM.
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Old Jul 26, 2019 | 02:00 AM
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Good advice. I do plan on tuning soon. It's just I dropped alot of cash on a down payment for this bike. But when I traded my road king I pulled the pro pipe and my power vision. I'm just waiting until I have the extra money for the 6 pin cord and tune license for the PV. Really I'm just trying to get by without that God forsaken catalytic converter burning my leg. But I may just deal with it and do the full stage 1 at once.
 
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Old Jul 26, 2019 | 04:23 AM
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A 2:1 without a tune? I can say that my bike ran crappy when I switched from a Slip On's to a Full 2:1 system until I got a base tune from FM and ran a few auto tune sessions on it. I only ran mine down the block once before I started dialing in the tune.

My specifics are listed in my sig.
 
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Old Jul 26, 2019 | 04:28 AM
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Originally Posted by Dynaglide92
Not really. Sure it got a better flowing air cleaner but it’s still lean from the factory. Your choice!
+1
 
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