Steering Shaft Rubbing on new headers

So I just installed Borla Long Tube Headers, The install was a true pain. Now i have a terrible vibration in my steering when driving and at 1,100rpm it's god awful. Any tips or pointers it seems like borla forgot to put a dimple in the header,Also my check engine light came on according to Borla it will go off in 300-400 miles does this seem correct? do you think a re-tune is in order? I put on Borla Long Tube headers Off-road mid-pipe and borla stingers?
 
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You should replace your steering shaft with a Flaming River one. That should clear your headers but check with Borla. As far as re tuning I would say yes because the o2 sensors are moved further away so its better to adj for that with a tune than letting the ECM adaptive learning do it. But that's just my recomendetion!
How does your car sound with the borla header? I haven't installed a set yet but I know the Bassani headers sound awesome?