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Install Headers Remove Stock

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Whichever header you choose, the installation starts with removing the stock pieces. That requires disconnecting the battery, removing the spark plug wires and slipping apart the steering sector shaft. With the Gibson, you don't need to remove the Y-pipe, so it's simply a matter of unbolting from above and below and lifting out the manifold. You'll clean up the gasket surfaces and install the header with a new gasket.