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      12-18-2011, 07:14 PM   #3
johnsfb
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Scotland
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Drives: 1M
Join Date: Feb 2010
Location: Scotland

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Check out BCS Automotive. They're listed in sticky/1M exhaust clips.
The valves in their system operate same way but through boost level instead of electronics and you definitely get axtra roar when you put your foot down.
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