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How to Install Smittybilt M1 Bolt on Fendor Flares - Black on your F-150

Shop Parts in this Guide

Removal:

1) Raise the vehicle up on a hoist or rack to working height. If you do not have access to a hoist or rack raise the vehicle and support securely with jack stands.

2) Using a hacksaw or sawsall, cut the stock tailpipe off where it exits the muffler. (This step is not mandatory, but it makes removal a little easier.)

3) Support the muffler with a stand and separate the two wire hangers on the tailpipe from the rubber mounts on the vehicle. If you have cut the tailpipe, remove the tailpipe and set aside at this time.

4) Separate the wire hanger from the rubber mount in front of the muffler. Remove the two nuts at the muffler to converter flange connection and lower the muffler from under the vehicle.

Installation:

1) Before installing anything, prep the clamps supplied in the hardware kit by removing the nuts, and applying a thick lubricant such as white grease or anti-seize to the threads.

2) Place inlet pipe #26203 into position behind the catalytic converter. Connect the wire hanger to its rubber mount and re-install the factory nuts onto the flange connection.

3) Place the provided 3” ring clamp onto the inlet of muffler #9530462. Slide the muffler onto the inlet pipe and support the muffler with a stand. Tighten the clamp enough to hold in place, but still allow for adjustment.

4) Place the provided 2 1/2" ring clamps onto each of the muffler outlets. Insert the tailpipe assembly #16449 into the muffler outlets. Insert the hanger rod into the rubber mount on the vehicle.

5) Adjust the position of all muffler and pipes to provide a satisfactory fit. Tighten down all clamped connections securely and slide the 1/2" hanger keepers onto the end of the inlet pipe and exit pipe hangers. This will prevent the hangers from slipping out of the rubber mounts.

6) For a cleaner appearance and more secure installation, we highly recommend welding all slipfit connections. If you live in a geographical area that has harsh winters or sees a great deal of precipitation, the use of high temperature paint over the welded areas can help to prevent surface rust and premature corrosion.