***The Adrenalizer was recently featured in an article on the Forbes Autos website.***

  • World's first performance drivable clear cover.
  • Available for the Boxster and Boxster S (first and second evolution models).
  • Two main features (1 visual and 1 acoustical):
             1)  Two clear windows that allow you to see the award-winning engine.
             2)  A manual sliding door opens up on the engine cover that serves to REALLY let you hear what a boxer engine sounds like!


    For a limited time we are offering the Adrenalizers for $700 US dollars including shipping within the US. Quantities are limited. The Adrenalizer is a modified version of the black engine cover piece in your current Boxster or Boxster S.

    Promotional Pricing Qty Remaining: 6


    Movies of the Adrenalizer in Action
    Filename Size Description
    boxster_revving.mpg 11 MB Boxster is stationary with the top up. The engine is being revved. Video outside and inside, with the Adrenalizer door open.
    adren_door.mpg 22 MB Driving Boxster with top up. Average driving speeds while illustrating Adrenalizer door being opened and closed. Shortly after closing Adrenalizer door, notice the "pssssssst" sound. That is the sound of the fuel injectors injecting fuel into the piston cylinder block!
    topup_dooropen.mpg 8 MB Accelerating with the Boxster top up and the Adrenalizer door open.
    topup_doorclosed.mpg 9.7 MB Accelerating with the Boxster top up and the Adrenalizer door closed.
    topdown_dooropen.mpg 10.7 MB Accelerating with the Boxster top down and the Adrenalizer door open.
    topdown_doorclosed.mpg 5.6 MB Accelerating with the Boxster top down and the Adrenalizer door closed.

    Have an urge to hear the boxer engine  -  Open the door
    Need to quiet things down  -  Close the door


    How loud is it?
    This is tough to quantify, but if you turn your stereo to the 22 level in your Boxster on the premium sound package offered by the dealer you will have a pretty good understanding of how loud it will get.
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