I got the 17 nightrod of course it was too quiet so I got full basani 2 to 1 exhaust. I drove it home it sounded crazy wild. I had a little more power but I could tell it wasn't running right. I ordered the tab auto tuner and the k&n filter and Put them on. I rode around and it stopped the backfiring and ran a lot smoother. Then I started reading post about open air boxes so of course I tried it. I pulled the temp sensor our and taped it to the bottom of the air box. I took it down some back roads and just let it rip. The second time I saw my engine light come on and noticed that my idle was really high 2k minimum So I went home and put the cover back on I rode around and after about 10 miles the engine light came off and my idle came back down to 1500-1600. I hope it will come back down some more but atleast the tuner is retuning. So I know you can't fun that tuner with an open air box
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