Are you sure it works at all?
The seller has a whopping "1" feedback score.

-----Original Message-----
From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf
Of kdlewis_wasting_time@access4less.net
Sent: Tuesday, August 31, 2004 5:32 PM
To: vanagon@GERRY.VANAGON.COM
Subject: 7 to 22 hp gain at wheels!?

Can some explain to me how this works on a WBX engine?
Where does it plug in?

http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&rd=1&item=79190
42067&category=46100

      Ken Lewis
 86 Transporter Crew Cab, 60 T-5 Coupe
 http://neksiwel.20m.com/   O2  sensor monitor gadget, my
cars, Vanagon Tech
 http://EB03.20m.com/  Everybus 2003  pictures