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Mustang Forums
2011-2014 Mustangs
Exhaust
Bigger Exhaust and Lost Peak Boost?
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<blockquote data-quote="Torchy" data-source="post: 13640044" data-attributes="member: 145827"><p>Hey guys, I put a 3 inch exhaust on my car and literally changed nothing on the boost controller. </p><p> </p><p>I went from stock OAP and Corsa Xtremes to SW 3 inch catback. Basically it now sees 5.5 peak psi when it was seeing 6.9 peak on old set up.</p><p> </p><p>It is because of less back pressure?</p><p> </p><p>13 TT GT</p><p> </p><p> </p><p> </p><p> </p><p>Side note: Turned the boost back up to 6.9 and a huge difference now. Pulls hard! Logged while doing it and tune still looks good.</p></blockquote><p></p>
[QUOTE="Torchy, post: 13640044, member: 145827"] Hey guys, I put a 3 inch exhaust on my car and literally changed nothing on the boost controller. I went from stock OAP and Corsa Xtremes to SW 3 inch catback. Basically it now sees 5.5 peak psi when it was seeing 6.9 peak on old set up. It is because of less back pressure? 13 TT GT Side note: Turned the boost back up to 6.9 and a huge difference now. Pulls hard! Logged while doing it and tune still looks good. [/QUOTE]
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2011-2014 Mustangs
Exhaust
Bigger Exhaust and Lost Peak Boost?
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