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Cobra Forums
2015+ Shelby GT350 Mustang
Kooks exhaust and factory resonator system.
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<blockquote data-quote="cmde44" data-source="post: 15707929" data-attributes="member: 187415"><p>So I had Kook's long tube headers and x pipe put on my GT350. They sound fantastic, but I think I have an issue with the resonators / performance valve / whatever it's called in the factory mufflers. </p><p></p><p>I can flip from normal exhaust to performance like before and it has very similar effects to when it was stock. But, when I'm in normal mode and start to get into it, I get the normal, tuned back sound, but it'll just open wide up to performance mode the higher the revs go. </p><p></p><p>It seems like maybe the new exhaust is kicking the factory actuators out as you get into it hard? Any ideas on this? Thank you!</p></blockquote><p></p>
[QUOTE="cmde44, post: 15707929, member: 187415"] So I had Kook's long tube headers and x pipe put on my GT350. They sound fantastic, but I think I have an issue with the resonators / performance valve / whatever it's called in the factory mufflers. I can flip from normal exhaust to performance like before and it has very similar effects to when it was stock. But, when I'm in normal mode and start to get into it, I get the normal, tuned back sound, but it'll just open wide up to performance mode the higher the revs go. It seems like maybe the new exhaust is kicking the factory actuators out as you get into it hard? Any ideas on this? Thank you! [/QUOTE]
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2015+ Shelby GT350 Mustang
Kooks exhaust and factory resonator system.
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