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Mustang Forums
2011-2014 Mustangs
Engine/Tuning
Active knock
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<blockquote data-quote="MooDy5.0" data-source="post: 14446395" data-attributes="member: 166584"><p>hi</p><p>I bought a used 2013 mustang Gt, I installed x pipe off road then I data log ,was there active knock +3.25. tuner in my area said maybe need to tune so he did and could not increase timing because the knock</p><p> </p><p>I return the stock h pipe so now the car is stock, yesterday I data log and the knock increase (+4.50) fule is ok and exhaust is not touching, I’m thinking that maybe the old owner tuned it and forgot to return to stock (oem tune) when sold it and the car now has a custom tune as OEM .</p><p> </p><p></p><p></p><p> </p><p>please i need your support what do u think</p><p> </p><p>Thanks.</p></blockquote><p></p>
[QUOTE="MooDy5.0, post: 14446395, member: 166584"] [COLOR=#ff0000][/COLOR]hi I bought a used 2013 mustang Gt, I installed x pipe off road then I data log ,was there active knock +3.25. tuner in my area said maybe need to tune so he did and could not increase timing because the knock I return the stock h pipe so now the car is stock, yesterday I data log and the knock increase (+4.50) fule is ok and exhaust is not touching, I’m thinking that maybe the old owner tuned it and forgot to return to stock (oem tune) when sold it and the car now has a custom tune as OEM . please i need your support what do u think Thanks. [/QUOTE]
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Active knock
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