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2012 OB Limited, 3.6, AT
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Discussion Starter · #1 ·
To shed some weight and improve the sound (mostly) I want to take the OB to my exhaust-guy and have piping and mufflers fitted like I did with my '09 Forrie, what is the optimal I.D.?
2.25" was the "magic number" I.D. wise for the NA Forrie, any larger and you lost torque big-time.

Vince
 
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