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Old 09-29-2002, 10:43 AM   #10
GodStang
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Join Date: May 1999
Location: Aiken,south carolina, usa
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I seen Longtubes Dynoed on a blown engine and they gained 20 hp and 21 torque when the headers were added. At least that is what it said on the Dyno sheet. Not sure how much on a N/A engine.
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