True Duals For The New Goat
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The chassis dyno showed the 180-degree-flow, split-case Sportsman mufflers to be a little bit more restrictive than the Pro Street mufflers and linear-flow full-duals, but the numbers still exceeded anything generated by the stock head pipe and cats by 8.9 hp producing 303.2 hp and 316.4 lb-ft of torque. View Related Article
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