How to Make a Cold Air Intake From PVC Piping

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A cold air intake increases performance on your vehicle. It allows for air to move through the tube more smoothly and also is positioned so that cooler air enters the intake. A cold air intake increase the air-to-fuel ratio, thus increasing the combustion rate. This creates more horsepower and improves gas mileage. You can install your own cold air intake kit using PVC pipe.

Things You'll Need

  • Flat-head screwdriver
  • Torx screwdriver
  • Two 90-degree elbow PVC pipes, 3- to 4-inch diameter
  • Marker
  • Dremel tool
  • 2 PVC pipes, 4 inches long, 4-inch diameter
  • Zip ties
  • Air filter
  • Clamp ring
  • Cement glue
  • Unclasp the rings holding the air intake tube to the throttle body using a flat-head screwdriver. Unclasp the latches on the air box and remove the air filter from the factory box. Unscrew the Torx screw holding the MAF sensor into the intake tube and gently set aside the MAF sensor.

  • Use a 3- to 4-inch, 90-degree, elbow PVC pipe for the MAF sensor adapter. Use your MAF sensor as a guide for how long the piece should be.

  • Use a marker to make holes for your MAF sensor to fit through and also for the screws that hold the MAF sensor in place. Use a Dremel tool to make a hole the same size diameter as the MAF sensor hole on your stock air box.

  • Connect a 4-inch section of PVC pipe into the elbow fitting of the MAF sensor PVC pipe.

  • Place the intake through the hole in the fender wall and attach the PVC pipe to the engine bay using zip ties, if needed. Make sure no parts of the intake tube will touch the engine.

  • Attach a 90-degree, PVC elbow pipe to the intake tube.

  • Attach a 4-inch piece of PVC pipe to the intake tube.

  • Install the air filter onto the end of the PVC pipe using a clamp ring. Once the intake has been properly aligned in the engine, use cement glue to glue the PVC pipes together. Do not glue the filter on, so that it can be removed. Install the MAF sensor into the hole on the intake tube and screw into place using the Torx screws. Do not glue the intake end to the throttle body of the engine, either.

Tips & Warnings

  • Disconnect/connect the battery to reset the computer chip to teach the computer the new air-flow settings for the intake you are installing.

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References

  • Photo Credit te en pvc 45° image by Marie-Thérèse GUIHAL from Fotolia.com
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