Thread: Stainless OBX headers
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Old 11-28-2017, 11:25 AM
tom s tom s is offline
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Join Date: Jan 2000
Location: long beach ca usa
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2X FJ,my recent 455 on Joe Shermans dyno he figured we lost about 15 HP over my dyno headers with the long branch.NEVER feel it on the seat of the pants dyno IMO.Tom

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