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Follow these instructions carefully to ensure correct fitment and operation.
STEP 1: Disconnect the negative battery terminal.
STEP 2: From underneath the vehicle, remove the nuts that attach the Y-Pipe to the factory exhaust manifolds.
STEP 3: Remove any EGR or air lines going to the exhaust manifolds. Unplug the oxygen sensors. Unbolt and remove the factory exhaust manifolds and the stock gaskets.
STEP 4: Clean any old gasket material off of the cylinder head, use a scrapper if necessary.
STEP 5: Using the factory hardware and the Supplied Gaskets install the BBK Headers.
STEP 6: Attach the Y-Pipe to the BBK headers using the factory hardware.
STEP 7: Using the supplied hardware, gaskets, and block-offs connect the EGR and AIR fittings to the BBK Headers where applicable. NOTE!!! Be sure to apply a small amount of the supplied anti-seize on the threads.
STEP 8: After driving the vehicle and allowing it to cool a few times, go back and re-tighten the header bolts.