look at the pic in this link do only the obd1 have that sucktion,shock absorber thing at the back of the tb. http://cgi.ebay.co.uk/XXL-VR6-THROTTLE-BODY-AMD-Golf-Corrado-VR-6_W0QQitemZ8004509055QQcategoryZ72205QQssPageNameZWDVWQQrdZ1QQcmdZViewItem also is this worth buying would it make a differance if so what would i expect.