Lakerat2013
Member
So I just had a borla mid pipe atak exhaust put on my 2017 raptor.
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What rings ?
There are from what I believe silencer rings on the intake. Not sure what they are really called. But if you remove them it will throw codes. Someone on here said they talked to Roush and Roush said they have to be left in. If removed they cause pressure change on the crank case sensor which will throw a code. I’m guessing if your saying what rings that you did not removed them.
I have Rousch cai and they through codes at first. I removed with forscan and they would come on again. I researched some f150 forums and found some that were talking about using remote start caused the codes to come on. I quit using the remote start and they haven't showed back up. I removed my rings.