Owners manual

ManualsBrandsBBK Performance ManualsAutomotive40500 Long Tube Exhaust Header Fits 07-11 Wrangler

2007-2011 Jeep Wrangler 3.8L V6

Full Length Headers W/ Y-Pipe

Part #4050,40500,4051,40510

INS-188

Follow these instructions carefully to ensure correct fitment and operation.

Special Tools

Required:

•

Jack to support

transmission

•

Zip Ties

Install Time:

Approximately

4 Hour

Difficulty:

3 out of 5

STEP 1

STEP 3

• Disconnect the negative battery terminal. Lift the

vehicle.

STEP 4

STEP 2

• Disconnect the oxygen sensors.

• Loosen the clamp at the factory Y-Pipe.

Remove the rubber grommets holding the

exhaust. Loosen the connection at the head

pipe and muffler, then remove the head pipe

and let the muffler hang out of the way. NOTE!!!

Be sure to use lubricant to aid the removal

of the rubber grommets and muffler.

• Before removing the factory Y-Pipe you must

support the transmission or transfer case, and

then remove the Cross Member by removing

the 2 bolts on each side of the cross member

and any hardware that connects the

transmission to the cross member. On 4x4

applications you will also need to loosen the

drive shaft at the front differential and let the

driveshaft hang at the transfer case. Remove

the Y-Pipe from the vehicle.

STEP 5

• Remove the driver side and passenger side

heat shields and exhaust manifolds. Then

remove the oxygen sensors.

STEP 6

• Be sure the heads are cleaned off from any

debris or gasket material. Install the BBK Full

Length headers using the supplied gaskets.

NOTE!!! Be sure to re-install the drive shaft

on 4x4 applications.

Summary of content (2 pages)

PAGE 1
2007-2011 Jeep Wrangler 3.8L V6 Full Length Headers W/ Y-Pipe Part #4050,40500,4051,40510 Special Tools Required: • Jack to support transmission Zip Ties • Install Time: Approximately 4 Hour Difficulty: 3 out of 5 Follow these instructions carefully to ensure correct fitment and operation. STEP 1 STEP 3 • • Disconnect the negative battery terminal. Lift the vehicle.
PAGE 2
007-2011 Jeep Wrangler 3.8L V6 Full Length Headers W/ Y-Pipe Part #4050,40500,4051,40510 STEP 7 STEP 9 Coupler • NOTE!!! The photo above shows the Y-Pipe as one piece. The Y-Pipe comes in 2 pieces and uses a supplied coupler. Install the YPipe and only snug the hardware at the collectors and coupler. Re-install the cross member. Be sure to check the clearances around the Y-Pipe. Then tighten all the connections starting with the coupler, ensuring that both tubes are straight and aligned properly.