Does anyone know if a Plenum Throttle Body mod really ads 20hp? I found one on ebay, and the seller (Einmalig) states over 20hp gains. Any input would be appreciated. I included the link below:
http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&ih=017&sspagename=STRK%3AMEWA%3AIT&viewitem=&item=270205151013&rd=1
Thx