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      07-24-2008, 10:03 AM   #13
HP Autosport
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Drives: F80 M3
Join Date: Mar 2007
Location: Santa Barbara, AP, Brembo, GIAC, Koni, Ohlins, Performance Friction, www.hpautosport.com

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By adding the 2nd cat deletes, you may be able to change ther rpm or range the exhaust drones.