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How to Install BBK Off-Road X-Pipe on your Mustang

Installation Time

30 minutes

Tools Required
  • No Special Tools Required

Follow these instructions carefully to ensure correct fitment and operation.


STEP 1

  • Disconnect negative battery terminal. 


STEP 2

  • With BBK Full Length Headers (part #’s 1642/0/5 or 1633/0/5) installed, lift the X-Pipe in place.


STEP 3

  • Line up the rear of the X-Pipe with the stock barrel style clamps and slip them over the reduced end of the X-Pipe.


STEP 4

  • Position the X-Pipe collector flanges up to the headers, connect headers and X-Pipe with studs supplied in the header kit.


STEP 5

  • Adjust the position of the exhaust system for fitment and clearance. Tighten the clamps and collector nuts.


STEP 6

  • Remove the rear oxygen sensors from the stock mid-pipes and install them into the BBK X-Pipe. NOTE!!! Be sure to add a small amount of anti-seize to the top thread of each oxygen sensor using the supplied anti-seize packet. As you thread the oxygen sensor back into the part the anti-seize will spread evenly throughout the threads.


STEP 7

  • Connect the supplied oxygen sensor extensions to plugs at the wire harness on the sides of the transmission. Reconnect the battery and start engine to check for leaks.​

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