Thread: header size matters?
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Old 07-07-2008, 07:39 PM
Red S/C Red S/C is offline
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Join Date: Oct 2006
Location: Mission Viejo, CA
Cobra Make, Engine: Hi Tech 533
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I used these spiral mufflers in my sidepipes and did pick up a little horsepower.
www.spiralturbobaffles.com
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