How to Install a Muffler Silencer

Written by bill dale
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How to Install a Muffler Silencer
Fix noisy mufflers. (Luxury Car sportscar from my luxury car series image by alma_sacra from

If people know you are coming even if your car is still a couple of miles away, it is a sign that you need to silence your muffler and exhaust pipe. Installing a muffler silencer is a job that you can do at home on a day off. Gather the items you need from any automotive store and prepare to spend an afternoon installing your car’s muffler silencer. In most communities, noisy mufflers and exhaust systems are against the law and could result in a ticket or fine.

Skill level:

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Things you need

  • Bucket
  • Soapy water
  • Sponge
  • Exhaust or muffler silencer kit
  • Flathead screwdriver
  • Power drill
  • Marker

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  1. 1

    Park your car in an area where you will not be disturbed while working. Allow the car to cool down for at least an hour before attempting to do any work on it.

  2. 2

    Wash your car’s exhaust pipe and muffler. Clean them using soapy water and a sponge. Get any dirt or grime inside the exhaust pipe you can reach.

  3. 3

    Lay out the pieces of your exhaust or muffler silencing kit. Check to make sure all the pieces listed are there. Place the silencer inside the exhaust pipe to be sure it fits. Position the silencer so that the tab that holds the self-tapping screw is on the top of the tip of the exhaust pipe. Using the marker, make a small dot where the screw will go.

  4. 4

    Take out the silencer from the exhaust pipe. Use the drill bit that comes with the kit (or an equivalent) and attach it to your drill. Drill a hole where you marked with the marker. Drill through the inner wall of the tip of the exhaust pipe.

  5. 5

    Place the screw inside the hole on the silencer and then insert the silencer into the exhaust tip. Align the screw in the silencer with the newly drilled hole. When they are aligned, tighten screw with the screwdriver. Use a bit of muscle, because the screw must be very tight. Test the installation by revving the motor and ask someone to listen. If you hear rattling, shaking or clunking noises, tighten the screw more.

Tips and warnings

  • Check with your local police department about noise regulations in your area.
  • Do not attempt to do any car modifications if it voids your car warranty.

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