After Market Rear Spoiler Installation on a Mazda 6

Written by sarah silverman
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After Market Rear Spoiler Installation on a Mazda 6
Learn how to add an after market rear spoiler on a Mazda 6. (sports car lights image by Xavier MARCHANT from

A rear spoiler is an automotive accessory that is attached to the deck lid on the top of the boot to reduce negative air circulation. By spoiling the bad air flow, the spoiler helps improve the aerodynamic nature of the car for even better movement when driving. You can easily install an after market rear spoiler on your Mazda 6 because there is a narrow flange around the underside of the deck lid which provides extra space for the spoiler mounting hardware.

Skill level:

Things you need

  • Spoiler with included strips and bolts
  • Masking tape
  • Screwdriver
  • Power drill
  • Wrench

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  1. 1

    Peel off the backing on the strips included with the spoiler. Position the hole in each strip directly over each of the screw holes in the bottom of the spoiler. The strips should be positioned horizontally so one end hangs over the edge.

  2. 2

    Set the spoiler on the deck lid of the boot and arrange it on the very rear edge. Make sure the vertical posts on the bottom of the spoiler are completely on the deck lid but as close to the edges as possible.

  3. 3

    Hold the spoiler firmly in place on the lid and have a friend place a small piece of masking tape over each end of the strips. Make sure you also tape down the strips that are underneath the spoiler to hold them firmly in place.

  4. 4

    Lift the spoiler up carefully so you leave the strips taped down in place on the deck lid. Don't move the strips or you will not drill the holes properly.

  5. 5

    Make a small mark in the hole of each of the strips using the tip of a screwdriver. Peel off the tape and move the strips away once you have made all of the marks.

  6. 6

    Drill through the marks on the deck lid using a power drill and stop drilling as soon the hole goes all the way through the lid. Open the boot to ensure the hole is completely hollow.

  7. 7

    Close the boot and set the spoiler on top in the same position you put it in previously. Open the boot while holding the spoiler in place and have a friend make sure the holes are lined up.

  8. 8

    Insert the included bolts into the drilled holes and into the spoiler. Use a wrench to tighten the bolts until the spoiler is held securely in place on the deck lid. Seal the bolt heads with silicone caulk to prevent leaks and rusting.

Tips and warnings

  • If your spoiler has lights installed in it, you can just drill an extra hole in the deck lid to pass the wiring through.
  • Don't drill into your deck lid if you are not sure you want to install the spoiler because you won't be able to remove the holes.

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