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Old 04-25-2013, 10:24 AM   #8

Join Date: Dec 2012
Vehicle: 2009, Ford, Mustang
Location: Texas
Posts: 37

A small follow up question, if I may.

What is the difference between Tuned headers and (I assume) non-tuned headers?

Given the response above, I would assume that they just make a better exhaust note. Prior to this thread, I would have thought that it would be tuned to increase scavenging of the exhaust.

2009 Mustang V6: BBK CAI, BBK TB, GT500 STB
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