Thread: Optimal Exhaust Diameter/Set Up
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Old 12-13-2009, 09:19 AM
vector1 vector1 is offline
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Location: Kansas City, KS
Cobra Make, Engine: jbl
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hows this for rule of thumb

dual 2" = 216hp

dual 2.25" = 291hp

dual 3" = 533hp

dual 3.5" = 733hp
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