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Old 12-02-2010, 11:26 AM
CobraEd's Avatar
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Cobra Make, Engine: Classic Roadsters
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When I upgraded from my original PoS Classic Roadsters sidepipes to a custom set of stainles pipes, I picked up a ton of power. I did not dyno it but seat of the pants was day and night. Anyway, . . . I now have 4" oustide diameter stainless glasspack sidepipe mufflers with 3" inside diameter. We keep talking about hp losses of sidepipes, but it is hard for me to imagine that I am losing a lot with a straight thru 3" ID glasspack. The case is about 30" long, it is not a shortie. It sounds very good to me


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Last edited by CobraEd; 12-02-2010 at 11:49 AM..
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