True Duals For The New Goat
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First impressions can be deceptive. Though the 1 3/4-inch tubing connector between the intermediate pipes may look like a crossover pipe, it is fully blocked. Pontiac's '04 GTO press kit says, "By blocking the crossover pipe, which is now used only for structural purposes, engineers were able to acoustically tune the system to provide an appropriately raspy rumble." View Related Article
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